12 Inch Pigtails: Youll receive a pair of 12 pigtail hoses made of high quality for prolonged durability. The two stage regulator is rated for 190,000 BTU, ensuring maximum performance.Smooth and Easy Transfer: This propane regulator is intelligently designed to allow for the removal of your empty cylinder without interrupting the propane supply. Perfectly safe and easy transfer!Compatible with Dual Propane Tanks: The RV propane regulator 2 tank was designed to ensure full compatibility with RV dual propane tanks, being easy to use and highly practical.Auto Switch: Unlike similar products on the market, this propane regulator with hose detects when the primary tank is empty, automatically switching to reserve tank for a safer user experience.Other Specs: This propane hose regulator works with 48 hoses. Inlets measure 1/4" SAE inverted flare and outlet is 3/8" NPT female pipe thread.