Pentek - 255490-43 ECP5-BB Pleated Cellulose Polyester Filter Cartridge, 9-3/4" x 4-1/2", 5 Microns

Pentair Pentek ECP5-BB Big Blue Sediment Water Filter, 10-Inch, Whole House Heavy Duty Pleated Cellulose Polyester Replacement Cartridge, 10" x 4.5", White End-Cap, 5 Micron

Captain O-Ring - Replacement 151122 O-Rings Compatible with Pentair Pentek Big Blue Water Filters OEM Size ORing Buna-N (3 Pack)

Pentair Pentek RFC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 10" x 4.5", 25 Micron