Specifications: propane orifice: material: brass fitting: propane orifice connector Brass tube fitting 3/8" Flare x 1/8" Mnpt propane regulator: product Length: 4'. (48") Product weight: 1 lb. Inlet: 3/8" Flare fitting male QCC (Acme) outlet: 5/8" - 18 UNF pressure: high pressure 0 - 20 PSI (adjustable) Description: - made to last with high quality materials - simple installation with no tools required - made to fit QCC-type-1 connections - used for a variety of high-pressure propane gas appliances