PP filter adapter: 1/4" NPT(M) x 1/2" NPT(M) PP plugs: (3) 1/4" NPT(M) and (1) 1/2" NPT(M) PTFE plugs: (6) 1/4"-28 UNF(M) PP adapters for semi-rigid tubing: (2) 2.2 mm OD, (1) 2.5 mm OD, (2) 1/16" OD, and (3) 1/8" OD PP barbed adapters with 1/4" NPT(M) connection for soft tubing: (1) 1/8" ID, (1) 3/16" ID, (3) 1/4" ID, and (1) 3/8" ID PP barbed Y connector: 1/4" ID 5 feet of 1/8" OD PTFE extension tubing with union connections.