Sediment & Carbon Filter Cartridges – 20″ Big Blue
High-quality replacement cartridges designed to fit all standard 20″ Big Blue housings. Choose from a range of micron ratings and media types to suit your water quality needs — from sediment removal to chlorine, PFAS, and scale protection.
For in-depth cartridge information, visit the Water Filter Information page.
✅ Available Variants:
Filter Type
Micron Rating
Use For
SKU
Pleated Sediment 20″
20 µm
General-purpose coarse filtration
Alt-807308
Pleated Sediment 20″
10 µm
Finer sediment removal, longer filter life
Alt-807982
Polyspun Sediment 20″
5 µm
Fine filtration for dust, rust, and grit
Alt-807301
Carbon Block 20″
5 µm
Chlorine, taste, odour, VOCs
Alt-810480
Polyphosphate Scale 20″
N/A
Scale prevention in hard water (not softening)
Alt-812621
PFAS Armour 20″
N/A
Targeted removal of PFAS, PFOA, PFOS contaminants
Alt-811901
🔄 Replacement Frequency:
Sediment filters: every 6–12 months
Carbon & specialty filters: every 6 months, or as needed based on water quality
