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Pemall Type Valve StemContains 5 per pack, DRY CHEMICAL VALVE STEMS. Pemall Valve Stem (S4) Pemall valve stem fits- Dry Chemical PA27ABC, PA27BC, PA25PK, PA50-2ABCH, PA57ABCH, PA50-2BC, PA50PKH, PA57PKH, PA100ABC, PA100BC, PA T-100ABC, & PA T-100BC. Halon 1211 PA-H2.5, PA-H3, PA-H5.5, PA-H10, PA-H14. | |||||||||