4 Way RO Automatic Closure-Off Valve Switch 1/4" Water Filter Reverse Osmosis System Material: PlasticColor: White Features:Automatically shuts off the drain water to the wastewater quietly. It is suitable for most reverse osmosis water system. Auto Quick Connect Shut-off Valve Fit for RO Reverse Osmosis Water System 1/4"Block Ratio: 1:2Working Pressure: 1-4.5KG\cm2Pressure Range: Less than 4.5KG\cm2Save more than 1000 gallons of water per month and extend diaphragm lifting. Mainly used for 30G, 50G, 75G, 100G reverse osmosis water filter, water filter, straight beverage machine, pipeline machinery. Size: 72x41x35mm/2.83x1.6x1.38"" (L x W x T)Quantity: 1PcNote: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!