COMPATIBLE WITH POPULAR HUNTER VALVES: Designed for use with Hunter PGV, SRV, ASV, PRO-ASV, PGV Jar Top, PGV-100G, PGV-101G, PGV-100A, and PGV-101A plastic 3/4" and 1" valves. Ideal for quick replacements without digging or full valve swaps. LEAK-FREE PERFORMANCE WITH DOUBLE-BEADED SEAL: Engineered with a heavy duty, double-beaded diaphragm that ensures long-term, leak-free operation even under pressure. Keeps your irrigation system efficient and dry. EASY, TOOL-FREE INSTALLATION: Installs in minutes by loosening four captive bonnet bolts — no special tools or plumbing required. Features a captive plunger to prevent lost parts during disassembly. A trusted DIY fix for homeowners and irrigation professionals alike. OEM FIT AND DURABLE CONSTRUCTION: Manufactured by Hunter Industries for an exact fit and optimal performance. Built with rugged plastic to withstand tough outdoor environments and extend valve life. SAVES TIME, WATER, AND MONEY: Restores full valve functionality without the need to replace the entire unit. Helps prevent overwatering, reduces utility costs, and keeps lawns and gardens healthy with efficient water use.