4 Gph Spec Check Pc Emitter With Cv Yellow Gph

The Spec-Check utilizes spring check valve technology to create a true check valve with a 10 PSI cracking pressure. This saves water by eliminating low head drainage for up to a 15 foot elevation change. The combination of the Spec-Check along with GPH’s GPST & GPCB ensures that your system will operate at the highest level of performance and efficiency.