Coilhose manufactures brass fittings to exacting tolerances and strict quality control standards. Made of solid brass, barb fittings with properly crimped ferrules or clamps can be used with FLEXEEL, nitrile, rubber and thermoplastic hose. Coilhose Reusable Hose Fittings are ideal for quick, easy, yet permanent in-the-field installations. Reusable fittings can be used with nitrile and rubber hose.