Tough, shatterproof polypropylene connectors permit visual monitoring of fluids. Sterile connectors are packaged in individual plasti-paks; non-sterile (clean) connectors packed in convenient dispenser cartons. 5-in-1 connectors connect two tubes ranging from 5-11mm (3/16", 1/4", 5/16", 3/8", 7/16"). 6-in-1 connectors join three tubes in any combination of six sizes. T connectors join 3 tubes in any combination of five sizes. Latex free.