Aqua Blue H20 Water Filter Reverse Osmosis Faucet Tap With Black Lever Reverse Osmosis Water Filter Standard Faucet, Uses 1/4 inch ATER FILTER SYSTEM FAUCET TAP REVERSE OSMOSIS DRINKING WATER TAP SOLID BRASS DESIGN - DOES NOT CONTAIN LEAD R equires minimal space so suitable for aLL kitchens, large or small AS USED IN ALL OUR STANDARD FILTRATION KITS (Drinking water Fauce