Simplify Tankless Water Heater Maintenance with The Tankless Tool Descaling Filter Removal Tool for Tankless Water Heaters Patented and uniquely designed for safe and efficient removal of the cold water inlet filter Essential tool for maintaining Rinnai tankless water heaters and ensuring optimal performance and lifespan Effortless Maintenance: Say goodbye to struggling with filter caps. The Tankless Tool, combined with a ratchet and socket (not included), allows for easy removal of the cold water inlet filter cap, making maintenance and installation of tankless water heaters a breeze. Universal Compatibility: This tool is compatible with all Rinnai models. It works with standard-sized ratchets and sockets (not included), ensuring easy access and usage for a wide range of models. Invest in the innovative Tankless Tool and experience the convenience of hassle-free tankless water heater maintenance. The only patented tool designed to remove the cold water inlet filter easily without breaking the filter cap.