Backdraft Exhaust Damper Seal 4 Inch by Calimaero One Size Fits All 4 Duct Backdraft Damper Gravity Powered Made in Germany 4 Inch HVAC Damper Dryer Vent Valve Keep Cold Air Out
PRODUCT FEATURES This 4inch damper vent air blocker does what it is designed to do. It prevents outside air from entering back into your house via dryer, bathroom fan, and grow tent. You will be very pleased with the quality, functionality, value, and ease of installation of this product..
EASY INSTALLATION The 4 inch backflow preventer is easy to install. You will only cram these in the 4" duct and the rubber flap will seal off drafts coming in from your dryer vent or bathroom exhaust fan. Make sure the flaps open away from the ventilator. The outer rubber ring creates a seal around the strong plastic body giving you the perfect vent damper..
FLEXIBLE This backdraft damper's main recycled plastic part is small enough to fit into almost all PVC, metal, and other ducts with 4 inch size. No need to buy multiple products to find the one that works. Purchase with ease and relax in your draft free living space..
CONVENIENT This 4 inline damper duct valve gummi flaps are easy to open for almost all dryers or booster fans. The lack of moving spring will ensure a long lifespan that will save you time and money. As the product ....
Broan-NuTone 634 Broan Steel 3-1/4x 10\ Roof Cap for 3-1/4 x 10 8-Inch Round Duct, 1 and Builder's Best 084635 Galvanized Steel Roof Vent Cap with Removable Screen & Damper, 4\ Diameter Collar, Black
... LoSone Fans, and bath ventilation fans maximizes the air and sound performance of your fan or range hood.
Product 1: DURABLE: Constructed of sturdy, 24-gauge CRCQ steel construction with a black electrically-bonded epoxy finish to ensure durability and lasting use.
Product 1: RELIABLE: Includes a built-in, backdraft damper and bird screen provide a dependable roof cap you can rely on.
Product 1: SECURE: Footprint is 18.75" x 14.25" for a secure, well-balanced fit.
Product 2: Extremely Durable: This is a heavy duty 26 gauge galvanized roof vent hood with a high performance polyester powder coated finish..
Product 2: Protection Against Corrosion: Our vent caps are ASTM B117 tested for anti-corrosive properties, showing very little or no signs of corrosion on our high performance polyester powder coated galvanized steel surface. Other leading and foreign brands have little or no corrosive protection..
Product 2: Features: Riveted construction.
does not use caulk. Includes pre-drilled holes for easy mounting. Vent also comes with a flapper (damper) that prevents back drafts..
Product 2: Ideal for bathroom or kitchen vents. Screens are removable so that caps can be used for venting clothes dryers as well..
Draft Blocker 6 Inch - Backdraft Damper - Draft Stopper - Backflow Preventer - Vent Deflector 6 Inch
Back draft damper is made for insertion into inch ventilation ducts. The backflow damper RKI opens and closes automatically. It has a strong spring....
Damper has 2 valves, designed for use in air conditioners (AC), dryers, exhaust, extractor or range hoods, heating ducts, vents and other HVAC....
INSTALLATION: The backflow flap is installed by inserting it into the ventilation pipe until it stops. The position of the spring should be horizontal....
The backflow flap opens and closes automatically at low air volumes. It has a smooth-running spring and an internal foam strip to keep the blades from....
Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are....
Broan 639 Wall Cap for 3-1/4" x 10" Duct for Range Hoods and Bath Ventilation Fans
Overall sizing is 12-3/4″ wide x 5-5/8″ high. Duct fitting protrudes 4-7/8″ from back of cap to allow proper fit to the ductwork (NOT for use with dryer venting).
Equipped with a spring-loaded backdraft damper and bird screen to keep nests and small animals on the outside.
Wall cap is made of 24 gauge CRCQ steel construction with a black electrically-bonded epoxy finish for durability and long life.