GVC Direct's Tube Connector Reducing Adapter Brass Compression Fittings are designed and manufactured to meet the requirements for a wide range of applications in chemical, petro-chemical, power generation, ship-building, pulp and paper, food, dairy, beverage, pharmaceutical, and many other high-purity industries. Compression Tube Fittings feature a two-ferrule design that compensates for tolerances in tube O.D., and range in tube size from 1/16" to 1" (2mm to 28mm). GVC Direct offers Compression Tube Fittings in 316 Stainless Steel, Brass, and Monel®. Be sure to contact us for any special fitting needs.