AMMONIA

REFRIGERATION AMMONIA GAUGES 2.5" DIAL, STAINLESS CASE AND INTERNALS, 1/4" NPT BOTTOM CONNECTOR, 30" to 300 PSI

REFRIGERATION AMMONIA GAUGES 2.5" DIAL, STAINLESS CASEAND INTERNALS, 1/4" NPT BOTTOM CONNECTION, 30" TO 300