The Double K-Foamer Sticks are constructed with PVC pipe and fittings safe for all chemical applications. Perfect for Pre-soak applications, the K-Foamer Sticks have (3) 1.0 GPM K-Nozzle quick connect spray tips on each stick. We also include (12) 0.5 GPM K-Nozzle spray tips if you desire a thinner foam application. The K-Foamers features a 3/4 clear foam chamber, air & fluid in-line PVC check valves, 3/8 push to connect ball valves for control.