NITRA line for use with polyurethane and nylon tubing. ME and MS series fittings include two additional male straight and two male elbows with #10-32 thread. MEL series includes two additional long male elbow fittings. MSR series now available in ten sizes. HVU series of three-way hand valves available in seven sizes. CVU series union check valves added ranging from 5/32 in. to 3/8 in. and 6mm to 8mm sizes. Extra stop valve sizes and pneumatic tubing cutter designed for use with 1/8 in. to ½ in. and 4mm to 12mm flexible plastic tubing also available.