20" BB 1 Micron Pleated Polypropylene Absolute Rated Filter Cartridge, Part # PLA20B01, Waterite's ExcelPlus+ Absolute filters provide an increased surface area and longer life. NSF 53 Certified for removal of solids and cysts to 1 micron.. read more....

Big Blue 20" - 25/1 micron Dual Gradient Polypropylene Spun Sediment filter cartridge part # PP20B2501 Removes dirt, sediment, sand, rust, and suspended particles. A truly universal cartridge for standard 20" BB Housings.

Big Blue 20" - 50/5 micron Dual Gradient Polypropylene Spun Sediment filter cartridge part # PP20B5005 Removes dirt, sediment, sand, rust, and suspended particles. A truly universal cartridge for standard 20" BB Housings.

The 20" BB Excelpure PP Dual Gradient 75/25 Micron cartridges are manufactured from 100% pure polypropylene and are sized for use in Big Blue® filter housings. The dual cartridges are designed for purity and will not impart taste, odor or color.

Excelpure 20" BB 1 Micron Nominal Rated Pleated Polypropylene Big Blue Filter Cartridge, Part # PL20B01 or PL20B-01 Waterite's pleated/poly filter cartridges provide increased surface area and longer life, truly washable and reusable...read more...

Excelpure 20" BB 20 Micron Pleated Polypropylene Filter Cartridge, Part # PL20B20 or PL20B-20 Waterite's pleated/poly filter cartridges provide increased surface area and longer life, washable and reusable. Made from #1 grade virgin polypropylene.

Excelpure 20" BB 5 Micron Pleated Polypropylene Filter Cartridge, Part # PL20B05 or PL20B-05 Waterite's pleated/poly filter cartridges provide increased surface area and longer life, washable and reusable. Made from #1 grade virgin polypropylene.

Big Blue 20" Inch 1 micron Spun Polypropylene Sediment Cartridge part # 1227866-V-BB Removes dirt, sediment, sand, rust, and suspended particles. A truly universal cartridge for standard 20" BB Housings.

20" Big Blue 10 Micron Polypropylene Spun Sediment Cartridge removes dirt, sediment, sand, rust, and suspended particles. A universal cartridge for standard 20" BB Housings.Part Numbers PP20B10 and 1227870-V-BB

Big Blue 20" Inch 20 micron Spun Polypropylene Sediment Cartridge part # PP20B20 Removes dirt, sediment, sand, rust, and suspended particles. A truly universal cartridge for standard 20" BB Housings.

Big Blue 20" Inch 25 micron Spun Polypropylene Sediment Cartridge part # 1227872-V-BB Removes dirt, sediment, sand, rust, and suspended particles. A truly universal cartridge for all standard 20" BB Housings... read more...

Big Blue 20" Inch 5 micron Spun Polypropylene Sediment Cartridge part # PP20B05 Removes dirt, sediment, sand, rust, and suspended particles. A truly universal cartridge for standard 20" BB Housings.

Hypurion 20" BB 1 Micron String Wound Filter, Part # HSW20B010A, Waterite's string wound polypropylene filter cartridges are precision wound with virgin polypropylene to assure exacting standards of particle capture and durability.

Excelpure 20" Big Blue 10 Micron String Wound Polypropylene Filter, Part # SWBB2010, Waterite's string wound polypropylene filter cartridges are precision wound with virgin polypropylene, the highest quality at a reasonable price... read more...

Excelpure 20" Big Blue 20 Micron String Wound Polypropylene Filter, Part # SWBB2020, Waterite's string wound polypropylene filter cartridges are precision wound with virgin polypropylene, the highest quality at a reasonable price... read more...

Hypurion 20" BB 25 Micron String Wound Polypropylene Filter, Part # HSW20B250A, Waterite's string wound polypropylene filter cartridges are precision wound with virgin polypropylene to assure exacting standards of particle capture and durability.

Hypurion 20" BB 5 micron String Wound Polypropylene Filter, Part # HSW20B050A, Waterite's string wound polypropylene filter cartridges are precision wound with virgin polypropylene to assure exacting standards of particle capture and durability.