Use the DIG 100 psi In-Line Backflow Preventer to help prevent irrigation water from re-entering the main water supply. Often required by city codes to prohibit the contamination when water is shut off and siphoned back into the main water system. No special tools or glue are required for installation.
Connects to any standard hose thread (female hose thread x male hose thread)
Use with sprinkler or irrigation systems
Made from high quality， UV resistant materials
Install according to city code
Flow rate up to 8 GPM
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