Elkay 51300C_12pk Watersentry Plus Replacement Filters (12) (Bottle Fillers)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Capacity: 3000 gallons， 1 year maximum</li><li>Flow rate: 1.5 gpm</li><li>Water inlet connection: 3/8 inch (9.5 mm) O.D. Tube</li><li>Water outlet connection: 1/4 inch (6.4 m m ) O.D. Tube</li><li>Proudly built in the USA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41LdD0koNnL.jpg" noproxy>