Omnipure VH1/4 Q-Series Head Valved - 1/4" FPT Filter Easily installs on any standard 1/4-inch water line Valved head includes an automatic water shut-off for even faster filter change-outs Compatible with a wide a variety of Omnipure replacement filters, so you can choose the filter that's just right for your needs Compact design saves space and can be installed virtually anywhere