Features

Ducting size: 4 inches (diameter) x 8 feet (length) when fully extended. Temperature endurance range from 0 ~ 185°F. (-18℃ ~ 85℃). A pair of 4 inch stainless steel metal clips makes the installation firmer
Fire proof coating ducting: Flexible ventilation ducting made from high-quality flame-retardant aluminum and built-in corrosion-resistant wire helix for reinforcement and lasting performance
Backdraft Shutter Damper: Made of a Galvanized steel. Withstand temperatures from 14 to 140 °F. Back-flow valve with 2 spring-loaded wings prevents the reverse airflow movement through the ventilation duct when the ventilation system is turned off
Low noise design: An internal foam strip and a smooth-running spring to keep the valve wings from rattling. The position of the spring should be horizontal for backdraft shutter damper horizontal installations so that it can open and close optimally
Wide applications: A pair of metal clamps makes ducting and damper securely fixed. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications. Essential for HVAC ventilation

Warranty:

Shipping Note: Shipping to Alaska, Hawaii, P.O. Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty

Specs

In the Box:

(1) iPower 4 Inch 8 Feet Non-Insulated Flex Air Aluminum Foil Shutter HVAC Extractor Fan Vent, Ducting+Backdraft Damper, Range Hoods, 2 Clamps Included

Sales Stats

Purchaser Experience

12	1	2	3	4	5	6	7	8	9	10	11	12	1	2	3	4	5	6	7	8	9	10	11
0%	5%	3%	3%	3%	0%	3%	5%	3%	3%	8%	3%	5%	15%	5%	5%	3%	5%	3%	0%	8%	8%	5%	3%

Mon	Tue	Wed	Thu	Fri	Sat	Sun
18%	5%	10%	31%	15%	8%	13%

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