WD-3US-PF01 Compatible with: 3M 3US-PF01, 3US-MAX-F01H, 3US-PF01H, Fits 3US-PS01 Advanced Faucet Water Filtration Systems. Fits 3M HF25 Series, HF25-S, HF25-MS. Fits Manitowoc K-00337, K-00338,K00337, K00338, AR10000, Delta RP78702. Powerful Filtration Adopts premium material and innovative filtration technology to maximize contaminants reduction for clean and refreshing water. Great Value Offers a reasonable price without compromising quality, giving you huge savings. Precise Fit Professional and accurate design ensures a perfect fit without water leaks. Functions like the original. Easy and Convenient Simple design makes it quite easy to install, no tools required. Whether you're drinking, filling ice cube trays, cooking or brewing a pot of coffee, the filtered water makes it better. Please note this is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. Waterdrop is an independent brand.