Constructed from ABS, this check Valves ensures durability and reliability even in the most demanding kitchen conditions Backdrafts and maintain a Freshes kitchen environment with our high efficiency Kitchen Duct Check Valves, a must have for every Homes Perfectly suited for residential kitchen exhaust systems and commercial kitchens, this Valves is essential component of any culinary space Renovations Suitable for homeowners seeking to enhances their kitchen ' s air and restaurant owners aiming to control Fogs spread effectively Simple installation with our user friendly designs, making it a practical addition to your kitchen ' s ventilation Systems, ensuring Freshes Air without the hassle, Manufacturer: Kaeltsyn