Bestway Filter Cartridge Type VII/D 530 Gallon Pump (Set of 6) This purchase is for SIX Bestway filter cartridges - Type D for 530 gal pumps Replacement Filter for 530 GPH pump Easy to clean with light hose Measures: 4.2" diameter x 3.8" high Fits the following Bestway Flow clear Models-- 58147 and 58385 filter pumps