Model# GFU06. Dimensions: 4.53"W x 12"L x 11.42"H. This compact tankless under-sink filtration system uses ultra filtration (UF) membrane technology to remove bacteria, sediment, rust, and other contaminants without the need for a storage tank. Easy DIY installation with no electricity required. Slim profile fits neatly under most sinks. Like-new condition in original box with no damage reported. Check manufacturer specs for filter life and replacement cartridge details.