Omnipure L5321 Dirt & Sand Reduction L-Series Filter 

L-Series Omnipure Filters for optional Twist Tap in-head valve system automatically turns the supply water off when the body is disconnected from the head. These filters can be used independently by Icemakers, Refrigerators, Under-the-counter, Drinking fountains, Beverage Equipment, R.O. Systems, and in conjunction with Commercial Purification Systems.