Check the listing for details. 10" Big Blue (GAC) Replacement Water Filters (4 Pcs) 4.5” x 10” Cartridges. Condition: New. Listed at 64.99 USD. 10" Big Blue (GAC) Replacement Water Filters (4 Pcs) 4.5” x 10” Cartridges Made by: Unit Price: $64.99 The specifications of the set are as follows: Product Description 4 Big Blue Granular Activated Carbon Filters 4.5" x 10" Whole House Cartridges (GAC-10BB) - GAC filters are well-known for their highly efficient reduction of chlorine taste and odor, as well as other taste and odors of many organic chemicals and volatile organic compounds. All GAC filters are made with high quality coconut shell carbon. Those filters are fit all 10" Big Blue Water Filter Housings. Product Features -Individually wrapped -Flow rate: 5 GPM -Filter life: 20,000 gallons -Operating Temperature: 39°F~125°F (4°C~52°C) -Max. Operating Pressure: 60 psi -Removes chlorine, odors, particles, and tastes -Good for water filters and aquariums. Applications -Food and beverages -Reverse Osmosis Pre filtration -Oil and gas -Fine chemicals -Electronics -Metal finishing -Pulp and paper Dimensions: 10" x 4.5" This filters are wrapped and sealed and meet NSF Standards and Regulations.