Back Home / Pipe & Tube Fittings / Plastic Caps & Plugs / PLASTIC CAP/PLUG CAP 3/8″ TUBE, PLUG 3/8″ PIPE PLASTIC CAP/PLUG CAP 3/8″ TUBE, PLUG 3/8″ PIPE SKU: T6X Categories: Pipe & Tube Fittings, Plastic Caps & Plugs Caplugs T series. Tapered in design and made from highly pliable polyethylene. Not only can they be applied to fit snugly, but can be easily removed. Recommended for use with tube and hydraulic fittings and for threaded external and internal pipe fittings. Depending on application, can be used many times as a plug or a cap. Red in color. Can be used as a cap for 3/8″ o.d. tubing. Can be used as a plug for 3/8″ male pipe thread. Case Quantity: 25 Log In For Pricing