4-Port Vacuum Manifold, Left Handed Trap Assembly, Double Bank, Airfree, Schlenk. Complete system consists of one 4-port vacuum/inert manifold, one pre-trap, one main trap assembly, one main trap body, two CG-150-05 #28 S.S. pinch clamps, one CG-150-08 #50 S.S. pinch clamp, one CG-150-21 #75 S.S. pinch clamp, four CG-150-04 #18-L S.S. pinch clamps, one AF-0451-05 #9 o-ring joint cap stopper, one AF-0451-21 #30 o-ring joint cap stopper, three AF-0451-08 #9 o-ring joint to 3/8" tubulation for Cajon adapters, four CG-305-12 #112 Viton o-rings, and one CG-305-32 #223 Viton o-ring.