Professional Quality: Built with a sturdy metal body and solid brass joint, this heater filter is engineered for durability and long service life. The joint is equipped with a protective plastic cap to prevent damage during storage and transport, while effective filtration helps block common propane impurities and protect your heater. Wide Application: Ideal for camping, RV trips, ice fishing and other outdoor activities, this propane filter helps provide a stable and reliable heat source. By keeping clean and reducing clogs, it supports smooth operation of your Buddy heaters so you can enjoy consistent warmth in various outdoor environments. Compatibility: This F273699 propane filter is specifically designed to replace the original part and is fully compatible with Portable Buddy and heaters. It fits F273701, F273702, F273703, F273718 and F298802 propane hoses, helping maintain safe, efficient heater performance. Easy to Use: Installation is quick and tool‑free. Simply remove the protective plastic cap, connect the filter between the heater and the propane hose, then hand‑tighten the fittings. Compact and , this portable Buddy heater accessory is easy to carry and replace , helping reliable heater operation. Safe Use Note: Always install or replace the propane filter in a well‑ventilated area away from open flames. Make sure all hose and heater connections are firmly tightened. After installation, test for leaks with soapy water around each joint and connection to safe, airtight performance.