Whole House, PK 12 Easily fits in any standard 10" x 2.5" RO Water System and many other water filter cansiters. The middle layer is 7 Micron to remove smaller sediment.
The BlueFall 5 Micron Sediment Water Filter features a Three Stage Layered Technology to filter out sand, rust , dirt and particles in drinking water. The inner layer is an absolute 5 Micron removing Finer Sediments for filtration acting as a final sweep.