Get the right amount of water you need with the Hydro-Flo™ Adjustable Jet. The volume of water is controlled with a twist of the tab. Adjustable jet has a 360° full-circle stream spray, and can discharge water up to 21 GPH with a radius of up to 9 ft. (at 30 PSI). Attach jet with 10-32 threaded inlet onto a rigid riser. Connect 1/4 in. distribution tubing (A220 and A250) to the riser inlet, and lift components using a stake. Riser, tubing, and stake sold separately. The Hydro-Flo™ Jet is made of polyethylene treated with UV inhibitors to prevent fading and cracking