Popular for use with the Big Buddy heater, the Mr. Heater 12-Foot Big Buddy Hose Assembly connects 20-lb. propane cylinders to the Mr. Heater Big Buddy Heater. a Quick Connect x Regulator and features durable brass fittings. DESIGN Connects 20-lb. propane tank to Big Buddy Heater Quick Connect x Regulator with acme nut Durable solid brass fittings SPECS Weight: 1.0 lbs. Hose material stretch tested to 400 psi Hose material pressure tested to 600 psi Additional Details 1-Year Limited Manufacturer's Warranty Style: F271803Z