Big Blue CTO Carbon Block Water Filters 4.5" x 20" Whole House Cartridges by Ronaqua (4 Pack)

Offer unbeatable filtration of suspended particles and dirt. Removes chlorine, odors, particles, and tastes Universal Replacement for all Standard 20" Big Blue Water Filter Housing Each Whole House Water Filter Catridge is Individually wrapped Filter life: 20,000 gallons, Flow rate: 5 GPM Micron rating: 5 Micron, DIMENSIONS: 20" X 4.5"You may also like 20" Big Blue Housing for Whole House Water Filtration System, 1” Brass Port, Mounting Hardware.