Deringer 20G Double Check Backflow Preventer with Gate Valves
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Descrição
Deringer 20G (DC) double check backflow preventer with OS&Y gate valves, sizes 2.5 - 8 inches. The shortest, lightest, most economical backflow assembly.
Deringer 20X/20GX - Ames Fire & Waterworks
Deringer 20G Double Check Backflow Preventer with Gate Valves
Deringer 20 Double Check Backflow Prevention Valve (DC)
Backflow Direct Backflow Preventer Supplier
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Deringer 20/20G - Ames Fire & Waterworks
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