Inline Premium Granular Activated Carbon T33 Carbon Filter 2″x10″, NSF Certified. 1/4″ NPT Connection. Comes with 2 elbows 1/4″ tubing x 1/4″ thread. If you need 3/8″ tubing x 1/4″ thread elbows, please contact right after purchase. Purpose:Efficient removal of chlorine, chloramine and organic chemicals. Also improve test, water color & odor reductionDiameter2″Fitting1/4″ femaleService life1.500 Gal or 6-12 monthsLength:10″StageLastHousingWhiteMan. SKUROR-10W-C14Carbon TypeT33 , Coconut Shell Carbon