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Closed Systems - Port Caps

20L Port Cap SystemOur classic port caps for GL-45 and GL-38 glass bottles, as well as for Nalgene 38-430 plastic bottles, have 1/4-28 threaded ports in a PTFE insert, with expanded PTFE gaskets. Each port has a through-hole for 1/8" OD tubing, machined at a 10 degree angle. Push tubing through the cap using an AQ-Series adapter to supply and close your system.

Larger carboy port caps feature additional 1/4" and 1/2" NPT holes.

These caps are the safety solution for scientists, chemical hygienists, and researchers worldwide, to ensure proper delivery and waste containment of chemicals and solvents. Our closed system capabilities reduce harmful emissions which are potentially hazardous to employees and our environment.

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CP Lab Safety is a Woman-Owned California Small Business, manufacturer of laboratory safety products and distributor of leading lab supply brands. CP Lab Safety sells lab and industrial safety products including coated bottles, secondary containers, funnels, lab waste handling supplies, safety cabinets, safety cans and general lab supplies, and manufactures Safety ECO Funnel.

ECO Funnel® has revolutionized the way open waste containers are handled at leading pharmaceutical, biotech, industrial, academic and government institutions. Distributors include VWR, Grainger, and Fisher Scientific. We help labs maintain compliance with safety regulations regarding clean air, exposure to hazardous wastes, secondary containment, and fire safety.

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