Submarine GH160 Kitchen Range Hood Check Valve, Public Vent Anti-Odor Device, Stainless Steel Upgraded Versio

The check valve relies on fan blades and back springs for sealed anti-backflow to prevent odors. It achieves autonomous closing and opening, with lightweight fan blade material.

Customers are advised to check for negative pressure suction at the public flue opening before installation. If there is strong suction at the installation site, causing the sealing fan blades to be sucked in and unable to open, it is not recommended to use the product.

Upgraded stainless steel check valve with a variety of installation accessories for easy installation.

The main body features an 17° inclined surface for automatic closure, with a full coverage integrated fan blade for efficient smoke exhaust.

Customized spring design on the back of the sealing fan blade ensures long-lasting sealing performance.

Thick stainless steel material ensures durability and high-temperature resistance for long-term use.

Double-layer silicone seal and sponge seal strip prevent smoke leakage and ensure a clean kitchen environment.

Metal fixing clamps and ladder-shaped card slots provide stable and secure installation.

Suitable for wall apertures with a diameter of 18-20cm, and smoke pipe connections with a diameter of 16.5-19cm.

Dimensions are manually measured and may have slight errors.