The 3 Pack Water Filter for Whirlpool WRX735SDHZ02 WRX735SDHZ00 is a high-quality filtration system designed to improve the taste and odor of your water. Made with natural coconut shell activated carbon, this filter is certified by NSF42 and NSF372, ensuring safe and effective filtration. With a capacity of 300 gallons and a filtration life of 6 months, this filter is suitable for household use and provides clean water for you and your family. The filter is compatible with Maytag brand appliances and comes with a lead-free material feature for added safety.