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Best Wall cap 641


Best Wall cap 641 in Stainless Steel



Ecofees included (if applicable)

Appliance Delivery
Estimated availability: 2 weeks

Product Details

The 641 Aluminum Wall Cap is a robust, easy-to-install vent for exhaust fans (bathroom, range hood, rec room, home gym, etc.). This cap provides reliable ventilation and features both a back draft damper and welded bird screen, preventing outside air from entering the home or birds and small pests from entering duct work. The back draft damper is spring loaded and features a padded damper zone, which reduce noise from wind induced chatter. Compatible with 6" ducting. Not suitable for dryer venting.

Spring loaded backdraft damper with padded damper zone reduces chatter in windy conditions
Built-in bird screen prevents birds and other small animals from entering duct work
Constructed of durable aluminum
Easy to install in new construction, replacement, or DIY applications
Compatible with 6" round ducting


Technical Details

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Total Dimensions
  • Total Width (In.)


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