valves
miller smith equipment h698 reverse flow check valve set 2 pc
reverse flow check valve set brass construction connection 9 16 in 18 right and 9 16 in 18 left prevents reverse flow of gases standards ul listed number of pieces 2 for use with regulators br b features b ul li for use with regulators li li item reverse flow check valve set li li number of pieces 2 li li connection 9 16 18 r & l li li construction brass li li function prevents reverse flow of gases li li standards ul listed li ul