More Convenient: The Universal Fuel Filter with Hose is for the Portable, Big, and Tough Buddy Heaters in use with a bulk propane cylinder. No need for additional propane adapter hose. Convenient and save your money. For Use With: Fuel Filter F273699 Filtering Propane Servicing a Source, For Mr heater Buddy and Big Buddy 6351206, 6351207, 6351200, F273701, F273702, F232000, F274800, F23203 6FT Propane Adapter Hose:The hose with a QCC1/Type1 adapter, can connect directly to 20-45 lb propane tanks and ensure air tightness. and ensure air tightness. Allows you to use portable heaters more conveniently, quickly and safely. Professional Quality: Our products use high-quality raw materials. the filter is made of high quality steel. The tube adopts a three-layer structure, the outer layer is rubber, the galvanized steel support, and the inner layer is PVC. The joint is made of Solid brass. Color: As Shown Material: Metal+Plastic Package Contents: 1* Adapter