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Torque Rating
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The maximum torque rating of a clutch drive.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Power
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The rotary power of the load that devices must handle.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Rotational Speed
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The rotary speed of the load. This specification applies only to rotary clutches.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Operating Voltage
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The input voltage range for an electrically-operated clutch.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Clutch Engagement
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Your choices are...
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Noncontact
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Devices use a noncontact technology such as a magnetic field or eddy currents to provide engagement and drive.
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Friction
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Friction between contact surfaces transmits power. This is the most common configuration.
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Toothed
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Toothed contact surfaces transmit power without slipping. No heat is generated. Devices are engaged only when stopped or running at a slow speed (< 20 rpm).
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Wrap Spring
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Torque is transmitted from input to output by a coiled spring that wraps around the output element. The device is disengaged when the spring is uncoiled via a control tang at its end.
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Oil Shear
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Drive engagement is achieved by the viscous shear of transmission fluid between the device's plates.
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Plate / Disc
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The torque level is controlled by compression springs which force plates together.
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Ball Detent
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Ball detent is a slip mechanism in which, upon overload, balls ride up out of seats to overcome springs or air pressure engagement.
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Roller Detent
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Rollers, held in place by springs, wedge between the inner and outer races to engage the clutch.
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Pawl Detent
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Pawl detent is a slip clutch mechanism in which, upon overload, the pawl overcomes spring or air pressure engagement and rotates out of its detent.
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Sprag
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Sprags are steel wedges that tip in one direction to wedge between inner and outer races. They can be configured with either the inner or outer race as the input or output. Too much torque makes the sprags tip so much that contact is not maintained. Often, sprag clutches can transmit more torque than other designs of slip or overrunning clutches.
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Other
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Other unlisted, specialized, or proprietary clutch engagement mechanisms.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Spring Assistance:
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Your choices are...
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Spring Actuation / Engage
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The device is spring-actuated and needs power to engage.
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Spring Return / Disengage
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The spring provides return force and the device needs power to disengage.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Magnetic Clutch Type (if applicable):
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Your choices are...
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Permanent Magnet
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Permanent magnets can be used in different ways. Some are used to provide engagement or disengagement actuation force. Others provide the magnetic field for hysteresis. Because they do not use electrical power, permanent magnet clutches are often used in situations that require greater levels of safety.
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Electromagnetic
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Electromagnetic clutches use a coil which, when energized, creates a magnetic field that pulls the armature toward the rotor. Once in mechanical contact, the rotor turns at the same rate as the armature and affects the drive. When unpowered, the armature retreats back to an air gap from the rotor.
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Hysteresis
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Hysteresis uses noncontact magnetic fields to apply resistance or engage load rotation. Torque loading may be applied independently of shaft speed. The magnetic torque is frictionless because the magnetic flux field operates in the air gap between the rotor and the stationary poles. Brakes and clutches that use hysteresis are suitable for precision tensioning and holdback applications where close braking control is important, or when variable clutch engagement of a load is required.
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Eddy Current
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Eddy current products use a magnetic field to induce eddy currents in the load. The load engagement, whether actuation (clutch) or slowing (brake), can be precisely controlled by controlling the magnetic field. Because no surfaces come into physical contact, there is no mechanical wear. Most eddy current devices are used in low-power applications.
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Magnetic Particle
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Magnetic particle products have a layer of fine particles between the stator and rotor. An input current to the stator coil creates a magnetic field that lines up the particulate to provide load engagement (clutches) or slowing (brakes). The coupling torque is controlled directly by the magnetic field that is created by the input current. Magnetic particle brakes provide good control and a wide range of holding torque at any speed.
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Other
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Other unlisted, specialized, or proprietary electric clutch operations.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Your choices are...
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Adjustable Torque
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Adjustable torque is used primarily for slip clutches and torque limiters. Users can adjust the torque at which the clutch disengages or slips.
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Clutch / Brake Combination
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Clutch / brake combinations provide a clutch and brake in the same package.
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Feedback
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Feedback provides an electrical or electronic signal for monitoring parameters such as position, speed, torque, lockup, or slip status.
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Other
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Other unlisted, specialized, or proprietary features.
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Zero Backlash
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There is no play or backlash during the engagement of the load and no load disengagement during a direction reversal.
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Washdown Capable
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The housing is rated for washdown cleaning.
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Bi-directional
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Devices can be set-up to rotate in either direction.
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Automatic Re-engagement
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The clutch re-engages the load when the torque drops to an acceptable level.
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Slip Indication
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Slip indication can move a pin radially when an overload occurs, or send an electrical signal to the drive motor.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Shaft Configuration:
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Your choices are...
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In-line
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The clutch shaft is along same axis as the driven or braked load.
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Parallel
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The clutch shaft is parallel, but offset from the axis of the driven or braked load.
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Right Angle
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The clutch or brake axis is perpendicular to the axis of the load.
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Other
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Other unlisted shaft alignment.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Drive / Load Connection
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Your choices are...
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In-line Shafts
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The drive and the load have shafts which attach to a through-bore.
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Through Shaft
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The drive shaft attaches to a bore and the load is driven through the outer diameter.
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Shaft - Pulley / Gear / Sprocket
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The drive shaft attaches to a bore and the output is a drive component such as a pulley, gear, or sprocket. These clutches are often designed to accept different drive components.
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Flange
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The brake or clutch is mounted to the object in motion via a flange.
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Other
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Other unlisted direct shaft attachments or flange mountings.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Bore Diameter
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The bore diameter.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Diameter
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The diameter or cross-sectional width of the brake or clutch assembly.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Length
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The dimension along the axis of rotation.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Weight
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The weight of brake and/or clutch.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Your choices are...
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Industrial / General Purpose
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Industrial or general-purpose products are designed for a variety of power transmission applications.
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Aerospace
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Products are designed for use with aircraft power and drive systems.
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Automotive
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Products are designed for use with cars, light trucks, motorcycles, etc.
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Conveyor
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Products are designed for use with conveyor drives.
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Heavy Transport
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Products are designed for use with trucks, tractor semi-trailers, trains, subways, etc.
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Machine Tool
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Products are designed for use with mills, lathes, presses, and other machine tools.
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Marine
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Products are designed for use with ships, boats, and other watercraft.
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Military Equipment
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Products are designed for use with military equipment such as tanks, helicopters, personnel vehicles, etc.
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Motor
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Products are designed for motors.
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Off-highway
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Products are designed for off-highway vehicles such as construction, mining, or agricultural vehicles.
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Power Take Off (PTO)
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Products are drive components for a power take off (PTO) which diverts power from a primary source (such as an internal combustion engine) to an auxiliary drive train that powers a lifting or rotating feature. Examples include heavy equipment such as dump trucks, snowplows, and tractors.
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Power Transmission
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Products are designed for power transmission components such as gear trains, belt and pulley systems, chain and sprocket drives, etc.
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Pump
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Products are designed to stop or engage a pump motor drive.
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Robotics / Automation
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Products are specialized devices for high-technology automation or robotics systems.
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Trailer
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Products are designed to engage and disengage trailer drive systems.
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Web Tension Control
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Products are designed for use on rollers and mills for manufacturing equipment in pulp and paper, textile, or other web tension-processing applications.
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Other
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Other unlisted applications.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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