Mazzei (SPSA-2-A) Suction Port Screen w- Check Valve - 2" FNPT ConnectionMazzei Injector Components SPSA 2 A Suction Port Screen Assembly with Integrated Check Valve 2" FNPT threaded screen assembly engineered to protect chemical injectors from debris and backflow in municipal and agricultural water systems 2" FNPT Connection Integrated Check Valve Mazzei OEM Quality Prevents Injector Clogging The Mazzei SPSA 2 A is a critical filtration component designed for use with 2" Mazzei chemical and air injectors. The integrated
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