SL Series 18 Pro-Coat Epoxy Coated StainlessSteel Gas Appliance Gas Connector 1/4 I.D. x 3/8 O.D. Tube 1/2 Female Pipe Thread x 1/2 Male Pipe Thread Product Comes In Re-Sealable Zip lock Bags AGA Approved & IAS Design Certified For Indoor/Outdoor Use... more