Amazon.com: VEGEBE 20 Micron 20-Inch Heavy Duty Whole House Water Filter Replacement Cartridge, Pleated Sediment Water Filters 4.5" x 20" for Well Water, Compatible with ECP5-20BB, R30-20BB, SPC-45-2050, 6 Pack : Tools
Amazon.com: Tier1 5 Micron 20 Inch x 4.5 Inch | 4-Pack Pleated Polyester Whole House Sediment Water Filter Replacement Cartridge | Compatible with Pentek ECP5-20BB, 255494-43, 4PAY5, Home Water Filter : Tools & Home Improvement
Pentek ECP5-BB Comparable Whole House Sediment Water Filter by Tier1
Pentek ECP5-BB 9-3/4 in. x 4-1/2 in. Pleated Sediment Water Filter PENTEK- ECP5-BB - The Home Depot