Backdraft Damper 100 mm

100 mm Anti-Return Damper in aluminum for Indoor ventilation ducts

In every professional indoor ventilation system, it is advisable to install a 100 mm Anti-Return Damper. This aluminum accessory incorporates spring-loaded blades that remain open when the extractor pushes air in the correct direction and close when the flow stops or reverses, blocking re-entry through the extractor and the entry of air through the intake fan.

The mechanical action is automatic, with no electrical consumption or complex maintenance. Available in standard diameters, this damper fits Ø100 mm networks typical of cabinets and small rooms, helping to maintain pressure, prevent condensation, and control odors.

In cannabis cultivation accessories, where fans, filters, and extractors must be coordinated, incorporating an anti-return damper provides aerodynamic order and reduces the risk of external contamination.

Combined with a carbon filter and insulated ducts, it improves environmental stability and system performance.

For online purchases, Hydroponics Blanes offers discreet shipping and support to size each installation within the catalog of cheap indoor grow tents in a Grow Shop in Spain with experience.

Indoor Cultivation 100 mm Anti-Return Damper.

In Indoor cultivation it is key to direct the air. The 100 mm Anti-Return Damper. prevents the extractor from "sucking in" outside air when it is off and keeps the circuit sealed. This protects air conditioning, preserves the carbon filter, and reduces fluctuations in humidity and temperature between light cycles.

What is the 100 mm Anti-Return Damper for?

It is used to allow passage in only one direction and block return. It benefits odor control, stable negative pressure, and circuit hygiene, as it makes it difficult for pests and dust to enter through the duct. It also helps prevent air from flowing back into adjacent rooms.

Indoor cultivation accessory 100 mm Anti-Return Damper.

As an indoor cultivation accessory, this damper made of aluminum stands out for its easy installation, lightness, and resistance. It fits flexible or rigid tubes using clamps. It works automatically by spring, without electronic adjustments, and integrates with extractors, intake fans, and "Y" branches.

What is the 100 mm Anti-Return Damper used for?

It is used for extraction and intake systems in cabinets, technical rooms, and workshops. It is useful in lines that share openings or facades, in installations with several fans, or when the same duct connects different areas. It prevents air from returning to the extractor and from exiting improperly through the intake fan.

Instructions for use 100 mm Anti-Return Damper.

1) Check network diameter: 100 mm. 2) Identify flow direction (marked with an arrow). 3) Insert the 100 mm Anti-Return Damper. between duct sections, with the blades facing the outlet. 4) Secure with metal clamps and seal joints with aluminum tape. 5) Test the system by turning on the extractor to confirm opening; when turned off, the blades should close by spring. 6) Keep the duct free of obstructions and periodically check that there is no dust buildup preventing complete closure.

Advantages of using 100 mm Anti-Return Damper.

One-way flow direction, pest blocking through the tube, better circuit sealing, more effective odor control with filter, reduction of condensation during stops, and quick installation in any standard network. A small element that greatly improves the ventilation ecosystem.

Where to buy a 100 mm Anti-Return Damper online?

Available at Hydroponics Blanes, a trusted Grow Shop specializing in cannabis cultivation accessories and ventilation. Catalog with cheap indoor grow tents, extractors, filters, and ducts, as well as discreet shipping throughout the peninsula. Buy from a Grow Shop in Spain that advises on sizing and compatibility.

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Alternative presentation: the 100 mm Anti-Return Damper. ensures that air moves in only one direction, protecting extractor and intake fan and shielding the circuit from unwanted entries. Lightweight aluminum piece with automatic springs, perfect for compact networks in cabinets and rooms. At Hydroponics Blanes there is availability in standard diameters, technical advice, discreet shipping, and everything needed to install and maintain Indoor cultivation. Online grow shop with paraphernalia, rolling trays, lighters, pipes, bongs, and hookahs within a wide and competitive offer.

Online Grow Shop Hydroponics Blanes. Everything you need for installation and maintenance of indoor crops is here. Shipping throughout Spain in 24/48 h. SALE TO MINORS UNDER 18 YEARS OLD IS PROHIBITED. For each purchase, you receive an email with a 5% discount code for the next order.