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calimaero® 4 Inch Backdraft Exhaust Damper Seal One Size Fits All Duct Backdraft Damper Gravity Powered Made in Germany HVAC Damper Dryer Vent Valve Keep Cold Air Out
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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
- 7 Day Return Policy
- All products are genuine and original
- Cash On Delivery/Cash Upon Pickup Available
calimaero® 4 Inch Backdraft Exhaust Damper Seal Features
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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.
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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.
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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.
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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 is made out of weather-resistant plastic, you can install the dryer damper in high-humidity environments.
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WELL MADE It works in any orientation even 45 degrees or 15 for that matter. The rubber seal is quieter than all metal or plastic models. This will ensure you will not be disturbed by constant annoying rattling from cheaper models.
About Calimaero® 4 Inch Backdraft Exhaust Damper Seal
Our 4 backflow preventer designed by the founder of calimaero a daughter company of klimapartner gmbh a Berlin, Germany based company which has been in the ventilation business for over 40 years. The idea came from the CEOs desire to create a 4 inline damper which is quieter, more durable, easier to install and simple to manufacture in europe. The Klimapartner team consisting of Germans, Swiss, French and Portuguese members brought their year of experience to this high end backdraft damper 4 inch. We are offering you a european engineered and designed dryer vent damper with high quality trustworthy production. Back draft damper SEAL is DESIGNED for use in AC units, bathrooms, installation in dryer ducts, or in for grow rooms and tents STOPPING INFLOW OF AIR from range hoods and heating systems and prevent cold or warm air from entering back into the duct damper 4 inch.The exhaust fan damper is INSTALLED by pushing the 4 vent damper into the duct, blades open away from exhaust air. As the rubber flap is easy to open, even weaker ventilators should have no problem pushing open the bathroom vent draft blocker.Opposing blade damper 4 backdraft should be interested behind the bathroom fan or inline fan. This will help weaker booster fans to push open the 4 inch backflow preventer dampener.
