20" Big Blue Cartridge Filters

5 Micron Big Blue Polypropylene, 20". This polypropylene 5-micron cartridge fits 20" Big Blue housings only. Manufacturer #155358-43. FREE SHIPPING...

20" big blue housing. 1". The Pentair Big Blue 20" housing is for larger diameter plumbing, higher flow or larger particulate load applications. •...

Genuine Pentek GAC-20BB 20" BB GAC Cartridge. Manufacturer #155249-43.  Granular activated carbon cartridges will remove chlorine and chemicals (vo...

Pentek 20" BB Carbon Block Cartridge. Manufacturer #155783-43 carbon block cartridge will remove chlorine and chemicals (volatile organic compounds...

30 Micron Big Blue Pleated Polyester, 20". This re-usable 30 micron cartridge fits 20" Big Blue housings only. Manufacturer #155430-43. FREE SHIPPI...

Genuine Pentair FloPlus Protect 20BB PFOA/PFOS Reduction Carbon Cartridge. Manufacturer #655223-43. Unique Fibredyne technology provides sediment, ...

Pentek 20" BB Carbon Block Cartridges Quantity of 4. Manufacturer #155783-43 carbon block cartridge will remove chlorine and chemicals (volatile or...

Genuine Pentair FloPlus Protect 20BB PFOA/PFOS/PFAS Filtration System.  Certified by IAPMO R&T to reduce up to 98% of PFOA/PFOS, commonly known...