Backflow Preventer, Dual Check Valve, .75-In. Brand_Water Source nsf cl-r certified for use

nsf cl-r certified for use in hot water systems where chlorinated 140 degree Fahrenheit hot water can be constantly re-circulated

Made of high quality aluminum to stand up to heavy traffic and with vinyl feet for effective weather sealing

Filtrete Allergen Defense deep pleated filters attract and capture microscopic allergens like dust

hydrant elbow

Designed for animal enclosures

Backflow Preventer, Dual Check Valve, .75-In. Brand_Water Source nsf cl-r certified for use3 4", back flo preventer, dual check valve, use at drinking water supply service entrance or individual outlets, for non health hazard residential water system containment & continuous pressure applications, install vertically or horizontally, temperature range 33 to 180 degrees Fahrenheit, minimum working pressure 10 psi to maximum working pressure 150 psi, buna n seals & stainless steel springs, meets asse 1023 & csa b64. 6, wetted surface of this