Pentair DGD-5005-20, Big Blue 5 20″ Micron Filter September 16, 2020 by $31.40 20″ Big Blue 5 Micron Filter Pentair DGD-5005-20, Big Blue 5 20" Micron Filter quantity Add to cart Category: Filters Description Description 20″ Big Blue 5 Micron Filter 20″x4.5″ Related products Select optionsAqua Cleer Filters $43.49 – $175.00 Select optionsAC-30 Filters $19.95 – $43.49 Add to cartPentair GAC-20-BB 20″ Filter $64.95 Add to cartAC-30 Reverse Osmosis Membrane $150.00