Aldrich(R) automatic shut-off quick-disconnect Coupling insert

Replace SafetyBarb tubing connectors with these new quick-disconnect fittings, which are made specifically for use with Aldrich glassware. To install quick-disconnects, unscrew tubing connectors on glassware and replace with coupling inserts Z55,337-9. Order one coupling insert and one coupling body for each glass connection. Chemically resistant acetal coupling insert and body are spring-loaded, locking, and have 316SS springs and EPR seals. When pulled apart, both sides seal quickly and automatically. For use with flexible 1/4 in. I.D. tubing.