Watts 800M4-FR-SH 1 - Part of the 800M4FR Series Z100F-8NH 6" Wide Grates_Covers

6" Wide Grates_Covers

UPC - 098268334289

and a 100 mesh screen

and temporary enclosures where visibility and protection are equally important

or any high-use utility flooring requiring dependable drainage

Watts 800M4-FR-SH 1 - Part of the 800M4FR Series Z100F-8NH 6" Wide Grates_CoversThis 1 inch freeze resistant pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O ring seal, a lightweight plastic disc float, a built in relief valve to protect the internal components and