Product Description The 3M Aqua-Pure Under Sink Full Flow Water Filter System AP200 is the good choice in water filtration delivering cleaner, clearer drinking water. This under sink filtration system is NSF listed to reduce chlorine taste and odor. This space saving, compact designed system connects to the primary kitchen or bath water faucet. From the Manufacturer Aquapure by Cuno under-sink water filter with space saving compact design. Aqua-Pure Drinking Water System filters are typically used in the kitchen, bathroom, or bar for all cold water coming out of a normal faucet. They reduce dirt, rust, and sediment. They also reduce taste, odor, and chlorine for a fresh ingredient to all your drinking and cooking needs.