Easy establish & Efficacy: No tools required! It is short and straightforward to replace, simply taking several seconds. By leaving potentially wholesome and beneficial minerals. For optimal performance, it is strongly recommended for you to exchange every single 6 month or 300 gallon. Compatible models: Compatible with for EDR2RXD1, W10238154, W10413645A, 46-9082. The indexed model numbers are only for reference purpose. High-quality Material: Uses high-grade natural coconut shell activated carbon block as material, which points larger adsorptive skill and higher performance with microscopic pores. Please note: the physical barely color difference or difference, doesn't affect the use, please don't mind, thank you! Colour:White Material:PP+Coconut shell activated carbon stick Package Contents: 3x refrigerator water filter out Only the above package content, different merchandise aren't included. Note: Light reflection and assorted displays can cause the color of the object within the picture a little various from the real thing. The dimension allowed error is +/- 1-3cm.