Many of the solvents used for LC/HPLC applications are subject to regulation by the EPA as hazardous waste. VICI Jour Waste Caps are specially engineered to prevent the evaporation of volatile compounds and help you comply with required waste practices.
Waste caps have three or four ports for 1/8" and 1/16" tubing. Two versions of each waste cap are available, with an extra port to accommodate either a 1/2-20 port for 1/4" OD tubing or a barbed hose adapter. (Barbed hose adapter sold separately). Waste caps are available to fit all bottles or canisters with multiple thread sizes: