Quincy air compressor unloader tower diaphragm, part # 1855. This diaphragm measures about 3-1/8″ across and is made out of reinforced rubber. This diaphragm is designed for models 250, 325, 370, 390, and 5120 air compressors that need part # 1855.
Quincy air compressor unloader tower diaphragm, part # 1855. This diaphragm measures about 3-1/8″ across and is made out of reinforced rubber. This diaphragm is designed for models 250, 325, 370, 390, and 5120 air compressors that need part # 1855.