The Hozelock non return valve fits directly to an outdoor tap and is designed to prevent the backflow of contaminated water back into the main water supply. Has a Hozelock male quick click connection (removable). Suitable for use on standard garden taps with either a 1/2" or 3/4" male BSP thread outlet. Approved by the water research council.

Product Details:

• Male Hozelock quick click connection.
• Prevents backflow of dirty water.
• Fits to standard garden taps (1/2" or 3/4").