Premium Quality: H98-510-S Water Heater Accessories, Plug-in Filter Assembly for Water Heater, Continuous Water Heater, Water Heater Tools. Water Heater Filter. For best dirt retention, replace every 2-3 months. The part is easy and quick to install. Removal and replacement of old or damaged parts can be completed in 5 minutes, improving time efficiency and quickly resuming daily activities. Optimal performance of the heater. To avoid problems and proper use, please check whether the product is compatible with the water heater circuit at the time of purchase. Colour:As Shown Material:Plastic and Metal Note: Replacement can effectively restore the optimal performance of the water heater. To avoid problems and proper use, please check whether the product is compatible with the water heater circuit at the time of purchase. Package Contents: 3 x Water heater filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.