Easy set up & Efficacy: No instruments required! It is brief and easy to replace, easily taking several seconds. By leaving probably healthy and beneficial minerals. For optimal performance, it is recommended for you to exchange every single 6 month or three hundred gallon. Compatible models: Compatible with for EDR2RXD1, W10238154, W10413645A, 46-9082. The indexed model numbers are just for reference purpose. High-quality Material: Uses high-grade pure coconut shell activated carbon block as material, which aspects greater adsorptive ability and higher functionality with microscopic pores. Please note: the bodily barely coloration difference or difference, would not influence the use, please do not mind, thank you! Colour:White Material:PP+Coconut shell activated carbon stick Package Contents: 3x refrigerator water filter out Only the above kit content, varied item are usually not included. Note: Light reflection and diverse displays could cause the color of the object within the photo considerably different from the genuine thing. The dimension allowed error is +/- 1-3cm.