Plumb Shop Brasscraft CSSD54-48P Gas Connector Product Description Uniform baked-on polymer coating leaves no gaps to resist corrosion and chemicals and protect against leaks. Manufactured without soldered or brazed joints form type 304 stainless steel. Broader face nuts and fittings with smoother connector ends seal with less torque for easy installation. 3/8'' ID (1/2'' OD) with fittings. CSA IAS design certified for gas appliances indoor and outdoor. From the Manufacturer 48-Inch Stainless Steel Gas Heater Connector CSSD54-48P Features Corrugated flexible Stainless Steel gas heater connector Polymer coated, CSA IAS design certified for gas appliances indoor and outdoor Uniform baked-on polymer coating leaves no gaps to resist corrosion and chemicals and protect against leaks Manufactured without soldered or brazed joints from type 304 Stainless Steel Broader face nuts and fittings with smoother connector ends seal with less torque for easy installation USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.