Seachoice Stainless Steel Lock Washer, 5/16
$8.00$13.00
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The Rotaire Register incorporates a unique worm-drive damper for increased operational efficiency. Just a quarter turn of the center knob opens or closes the vent wings smoothly. In the fully open position the vent wings are completely retracted allowing 100% unrestricted air-flow.
Model Number: 3840RDB
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