Easy to Install – No tools required, just insert the water pipe into the filter plug and the installation is complete and can be used directly. Long-Term Use – Please drain approximately 4 gallons of water after replacing the filter to achieve the best filtration effect. Please replace every 6 months or after filtering 200 gallons of water to minimize impurities. Selected Material – Made of high-grade natural coconut shell and activated carbon block, which has stronger adsorption capacity and better microporous performance. Compatible Models – Filter 2 Compatible with W10413645A, EDR2RXD1, W10238154, W10413645, 46-9082.