Flow-Max FMHC-90-1 Jumbo Filter Cartridge 1 micron 500 Grains Specifications: Old-Style Culligan Membrane with

Specifications: Old-Style Culligan Membrane with Double O-rings on both ends

the FC-2810 Spa Filter Cartridge requires fewer filter replacements

The outer shell is a composite of continuous fiberglass strands and is sealed with high-grade epoxy resin

Filter housing wrench included

Flow-Max FMHC-90-1 Jumbo Filter Cartridge 1 micron 500 Grains Specifications: Old-Style Culligan Membrane withThe Watts Flow Max Jumbo FMHC 90 1 Filter Cartridges outperform wound, spun, melt blown, resin bonded and other "depth" type filter elements because the chemically resistant pleated polyester media provides increased surface area and longer life, and are cleanable on filter of 5 microns and up. Features: Sediment Filtration 1 Micron Nominal Chemically Resistant Pleated Polyester Filtration 100% Cellulose Free Also known as Watts Pure Water PWPL90M1