Pentek 155053, R50-BB Pleated Polyester, 4-1/2" x 10", 50 Microns
The Pentek R50-BB is a 10" Big Blue cartridge that has a nominal 50 micron rating. All R series cartridges are manufactured from a durable, non-woven polyester fabric that make them reusable. Their pleated design maximizes the dirt-holding capacity of the filter.
R series cartridges are resistant to both bacteria and chemical attack making them suitable for a variety of residential, commercial and industrial applications.