genuine BLUONICS Block Carbon 5 micron replacement 4.5" x 20" Whole House Filter, 1 (one) each, NIP Sealed Size: 4.5” x 20” Condition: NEW, in clear plastic packaging. Package Contents: 1 (one) each, genuine BLUONICS Block Carbon 5 micron replacement 4.5" x 20" Whole House Filter, NIP Sealed from the factory Product Description: 4.5 x 20" Block Activated Carbon Filters (5 Micron) – Block Carbon Filters (5 Micron) are similar in their performance to that of granulated GAC filters, being made of fine coconut shell charcoal carbon tightly compressed forming a cylinder block. Solid-block activated charcoal is superior at adsorption because all the water molecules are forced to travel through the compressed charcoal. Also since it is made of packed carbon it helps to trap suspended particles and dirt. They are excellent in removing chlorine, pesticides, herbicides, bad taste odor, organic solvents, chemicals, and contaminants that contribute to bad taste and odor leaving our water healthier and great tasting. Flow rate: 5-15 GPM (Depend on Feed Water Pressure). Maximum Pressure: 80 psi, SUGGESTED WORK PRESSURE: UNDER 50 PSI, Temperature: 40-110F/5-45C Save money and time. Average lifetime 6 months. (Depends on your water quality) Compatible with systems from 3M, APEC, Aqua-Pure, Aquasana, Culligan, Costway, DuPont, GE, Geekpure, Glacier Bay, Global Water, Olympia, Pentek, Smart Aqua Life, The Perfect Water, US Aqua, Whirlpool All mentions of brand names or model descriptions are made strictly to illustrate compatibility. All brand names are registered trademarks of their respective owners. Bluonics Big Blue Carbon Block Replacement Water Filters (5 Micron) 4.5" x 20" for Chlorine, Pesticides, Insecticides, Bad Taste and Odor comes with Bluonics Warranty. If any questions, please contact SAFE RELIABLE: Bluonics whole house filter reduces many impurities from your water by 99% and protects your family and appliance from chlorine, pesticides, odor, herbicides, industrial solvents, VOCs, organic solvents, and various other contaminants. No more smelly or bad-tasting water. Bluonics Carbon filters are environmentally friendly, chemical Free, no chlorine, no change of taste, color, and odor. Do not change acidic or alkaline water levels and has no impact on pH. QUALITY: Fits most standard size 4.5 x 20” Filter housings. Is highly effective for both residential and commercial water purification and can be used for the city/municipal or well water. EFFECTIVE: removes chlorine, bad taste, odor, and many impurities from tap water to offer sparkling clean and great tasting water throughout your whole house. Please note this filter is not a Reverse Osmosis and will NOT reduce (TDS) Total Dissolved Solids from your water. Looking for a system to remove TDS, you can check Bluonics RO systems. Great after-sales customer support: 30-day money-back guarantee. Extended manufacturer warranty. Lifetime tech support from Bluonics in Sacramento, California, USA Fit: Fits most standard size 4.5 x 20” Filter housings. Is highly effective for both residential and commercial water purification and can be used for the city/municipal or well water. MPN: 7Z-LT7B-9LWI UPC: 0 99461 79773 4 Reviews: https://www.bluonics dot com/products/20-big-blue-carbon-5-micron-4ct Shipping Dimensions: 22 x 6 x 6” Shipping Weight: 5' 04.1” before packing 8' 00.0” after packing (seven to eight pounds)