The Neo-Pure CTO1-2510 Carbon Block Filter for advanced filtration is manufactured using coconut shell carbon for improved reduction of chlorine taste and odor. The CTO1-2510 chloramine filter is ideal for use as a reverse osmosis prefilter or postfilter, and all materials are FDA compliant so they are an excellent choice for many residential, food service and commercial drinking water applications. Specifications: Certifications: FDA compliant and made with NSF/ANSI 42 approved materials. Reduces: Chlorine taste & odor Applications: Residential, food service, and commercial drinking water Filter Media: Activated Coconut Shell Carbon Micron Rating: 5 micron Made in the USA Efficient filter cartridge with high adsorptive capacity Low Pressure Drop Eco-Friendly Where to Find Chloraminated Water: Please visit the EPA's Fed Reporting Services page to see if chloraminated water is in your area. Product Comparison Table SKU 255671-43 CTO1-2510 255674-43 Product Obsolete neoPure Equivalent to 255671-43 Replaces PNR obsolete 255671-43 Micron 10µm 5µm 5µm Media Bonded Powdered Activated Carbon Activated Coconut Shell Carbon Bonded Powdered Activated Carbon Application Sed, dirt, rust, CTO CTO Sed, dirt, rust, CTO Filter Type Fibredyne Carbon Block Fibredyne Lifespan 6-12 mo. 6-12 mo. 6-12 mo. Capacity 10,000 Gal @ 1GPM 8,000 Gal @ 1GPM 10,000 Gal @ 1GPM