self-dropping louver, self-closing vent, backdraft preventer, backdraft damper, gravity louver, non-return vent, one-way vent, vent cover, exhaust outlet, air grille, louver vent

banner

PRODUCT CLASSIFICATION

2
3
5
6
2
3
5
6

4" Square Stainless Steel Dryer Vent with Self-Dropping Louvers

PRODUCT DESCRIPTION:

1. Self-Closing Gravity Louver Works as a Built-In Backdraft DamperThe square self-closing louver shuts automatically the moment airflow stops, sealing the dryer vent outlet against rain, cold drafts, dust and insects — no extra backdraft damper needed for most installations.

2. Premium Stainless Steel Wall Vent Cover, Built for Outdoor UseCrafted from corrosion-resistant stainless steel ([grade 304/201 — confirm]), this square wall vent cover withstands sun, rain and wind for years, keeping the exterior wall air vent clean, rust-free and low-maintenance.

3. Rainproof Exhaust Grille Keeps Water Out, Airflow SmoothAngled louver blades shed rainwater while allowing full exhaust flow, so the dryer vent system breathes freely without pooling, backflow or blockage — ideal for exterior wall and roof-adjacent vent outlets.


Product Details

The Square Self-Closing Louver Dryer Vent Outlet is a stainless steel wall vent cover engineered for dryer vent systems and general wall ventilation. Its gravity self-closing louver acts as a built-in backdraft damper: when the dryer stops exhausting, the louver blades close automatically to keep rain, wind, dust and insects outside — while maintaining smooth, unrestricted airflow during operation.


Product Data

Vent Your Dryer the Smart Way

Every laundry cycle pushes hot, moist air outside - and when the dryer stops, that vent becomes a doorway for cold drafts, rain, insects, and even nesting birds. Our square stainless steel dryer vent solves this with a simple, dependable mechanism: self-dropping louvers.

One-Way Airflow, Automatically

No flaps to remember, no springs to break. When the dryer runs, the louvers open wide for full exhaust flow. The moment it stops, they drop shut by gravity, sealing the wall against backdraft, odors, and outside weather. Protection that works on its own, cycle after cycle.

Built to Take the Outdoors

Made from corrosion-resistant stainless steel, this vent is designed for years of rain, sun, and humidity without rusting. The smooth finish resists lint and wipes clean quickly, keeping your exhaust system at full strength.


Inquiry Now

If you have any questions or needs about the product, please fill in the following form and we wll contact you as soon as possible.

+8615063068702

+8615063068702

ellin@cmdindustry.com

60ea345e-e77e-4b1a-a7ca-395a715ad8e2