California Proposition 65: This product contains a chemical known to the State of California to cause cancer. Control water flow quickly and easily with the convenient easy-slide valve. Features a durable zinc-dire-cast body with a soft, durable rubber grip and machined brass threads. Nylon valve components ensure long life without leaking. Maximum water flow is 11 gpm at 40 psi. For professional use and can be used with watering wands. 3/4" GHT fittings.