K5633BB Omnipure 12" Granular Activated Carbon Inline Filter Model Number: K5633BB Carbon Type: T33/T40 - Coconut Shell based Acid Rinsed (for higher purity) GAC - Ideal for use as a polishing filter, for drinking water or RO post-filtration (12x40 Mesh GAC) Filter Size: 2.5" Diameter x 12" Length Volume of Media: 35.5 cu. in. Service life: 2,500 Gallons (1 year maximum) In/Out Connections: 1/4" FNPT (Straight) Uses: Icemakers, refrigerators, under-the-counter, drinking fountains, beverage equipment, R.O. Systems and in conjunction with commercial purification systems. Max. Pressure: 125 psi Max . Temp: 100Â°F Flow: Rated at 0.5 GPM Max Service Life: 1 Year Self-Contained Inline filter design requires no filter housing. In/Out Connections: 1/4" Female Threaded.