Compatible Model Compatible filter for Waterdrop 10UA, 10UB under sink water filter system This under sink filter brings you purified water from your original faucet or your special faucet. With Waterdrop you get easy access to clean, safe and healthy purified water! Ultra-long When used with tap water, each under sink water filter has a maximum of 1 year or 30,000 liters. 1 Innovative multi-stage filtration Waterdrop under sink water filter uses innovative multi-stage filtration. And it can effectively reduce heavy metals, chemical contaminants, sediment and other large particles. 2 Enjoy healthy and pure water straight from your faucet - no need to use bottled water anymore! NSF/ANSI Certified Filter Specially selected premium materials are lead-free and fully certified by IAPMO to NSF/ANSI 372 standard. Activated carbon block and other advanced filter media ensure efficient and safe filtration. This keeps the filter effectively hygienic. Tested to the NSF/ANSI 42 standard, it effectively reduces chlorine, taste and odor. The BPA-free, lead-free material ensures more reliable use from the inside out.