Watts 757DCDA-BFG-GPM 4 - Part of the 757DCDA Series chat-hdpe and air to move through

and air to move through the fabric so it does not adversely affect the soil hydrology

UPC - 098268653175

UPC - 098268128772

This 1/2 inch lead free dual check valve backflow preventer with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply

ZF110-S-36

Watts 757DCDA-BFG-GPM 4 - Part of the 757DCDA Series chat-hdpe and air to move throughThis 4 IN double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri link check valves, two UL FM butterfly shutoff valves, and four test cocks. It has a gallons per minute meter. It features a stainless steel housing and sleeve and is 70 percent lighter than traditional designs.