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Spartan-Scientific
2-Way, 2-Position, Normally Closed, 1/4" NPT, Media Separated Air Piloted Valve (APVS04-1M025-DAB00)
$113.49
Air Piloted, Media Separated, Glass-Filled Nylon, 2-Way, 2-Position, Normally Closed, 1/4" NPT, 6.0mm Orifice, FKM Seals, No Pilot