Pentair Big Blue GAC 10″ Filter September 16, 2020 by $45.00 10″ Big Blue GAC Filter Pentair Big Blue GAC 10" Filter quantity Add to cart Category: Filters Description Description 10″ Big Blue GAC Filter 9.75″x4.5″ Related products Add to cartAC-30 Reverse Osmosis Membrane $150.00 Add to cartAlkaline Filter – Reverse Osmosis $30.00 Select optionsAqua Cleer Filters $43.49 – $175.00 Add to cartPentair DGD-5005-20, Big Blue 5 20″ Micron Filter $31.40