4 PACK RO Post Polishing Fridge Ice Inline Coconut GAC Water Filter, 2000 Gal, 1/4" NPT RO Post Polishing Fridge Ice Inline Coconut GAC Water Filter, 2000 Gal, 1/4" NPT RO Post Polishing Fridge Ice Inline Coconut GAC Water Filter, 2000 Gal, 1/4" NPT RO Reverse Osmosis Post Polishing, Fridge and Ice Inline Coconut GAC Water Filter, 2000 Gal, 1/4" NPT 2,000 gallon service life (or one year) Effective Chlorine, Taste and Odor Reduction Made with NSF Certified Coconut Shell Carbon 1/4" NPT Ports For Post / Polish RO Systems, Fridge, Ice, or any Point Of Use application Additional Details ------------------------------ Product description: 4 PACK RO Post Polishing Fridge Ice Inline Coconut GAC Water Filter, 2000 Gal, 1/4" NPT RO Post Polishing Fridge Ice Inline Coconut GAC Water Filter, 2000 Gal, 1/4" NPT RO Post Polishing Fridge Ice Inline Coconut GAC Water Filter, 2000 Gal, 1/4" NPT RO Reverse Osmosis Post Polishing, Fridge and Ice Inline Coconut GAC Water Filter, 2000 Gal, 1/4" NPT 2,000 gallon service life (or one year) Effective Chlorine, Taste and Odor Reduction Made with NSF Certified Coconut Shell Carbon 1/4" NPT Ports For Post / Polish RO Systems, Fridge, Ice, or any Point Of Use application