PREMIUM QUALITY: H98-510-S Tankless Water Heater Filter Part Kit for Tankless Water Heater Insert Filter Assembly for Continuous Water Heaters, Water Heater Tools. Comes with 4 filter removal knob to make your maintenance and installation easier! Item Description: Tankless water heater filter. Replace approximately every 3-6 months for optimal dirt holding. This part is quick and easy to install. Removes and replaces old or damaged parts in less than 5 minutes. Size: Tankless water heater Filter 0.94" x 1.8" x 0.78". (H98-510-S for Tankless Water Heater Inlet Screen Assembly - For Continuum Water Heaters.) NOTE: Replacement effectively restores optimum performance of the water heater. To avoid problems and ensure proper use, check product compatibility with tankless water heater models at time of purchase. AFTER-SALES SERVICE: If you have any questions about our H98-510-S Tankless Water Heater Filter Assembly and Removal Tool, please contact us with both pre- and post-sales questions. We will do our best to solve the problem for you. PREMIUM QUALITY: H98-510-S Tankless Water Heater Filter Part Kit for Tankless Water Heater Insert Filter Assembly for Continuous Water Heaters, Water Heater Tools. Comes with 4 filter removal knob to make your maintenance and installation easier! Item Description: Tankless water heater filter. Replace approximately every 3-6 months for optimal dirt holding. This part is quick and easy to install. Removes and replaces old or damaged parts in less than 5 minutes. Size: Tankless water heater Filter 0.94" x 1.8" x 0.78". (H98-510-S for Tankless Water Heater Inlet Screen Assembly - For Continuum Water Heaters.) NOTE: Replacement effectively restores optimum performance of the water heater. To avoid problems and ensure proper use, check product compatibility with tankless water heater models at time of purchase. AFTER-SALES SERVICE: If you have any questions about our H98-510-S Tankless Water Heater Filter Assembly and Removal Tool, please contact us with both pre- and post-sales questions. We will do our best to solve the problem for you.