PurePro® USA Jumbo Filter Housings (Big-Blue Whole House Filter) :
PurePro® Whole House Water Filters - For Well Water and Municipal Water
20" Jumbo Filter Housings
Inline High Flow (Big-Blue) housings
BB20-01 (Aqua One)
BB20-02 (Aqua Star)
BB20-03 (Aqua Super)