9991408-R4 Ultra Fine Cartridge Filter for Dolphin Prowler 820, Prowler 830

9991408-R4 Ultra Fine Cartridge Filter for Dolphin Nautilus (old) model

For Dolphin Maytronics 4 Ultra Fine Filter Cartridge 9991432-R4

9991408-R4 Ultra Fine Cartridge Filter for Dolphin Wave 75, Prowler 820

9991408-R4 Ultra Fine Cartridge Filter for Dolphin Advantage Plus (old) model

9991408-R4 Ultra Fine Cartridge Filter for Dolphin Quest, Edge, Discovery (old)

Set of 4 Dolphin 9991408R4 Ultra Fine Filter Cartridges M400-M500

9991408-R4 Ultra Fine Cartridge Filter for Dolphin DX6, Deluxe 4, Deluxe 5, DLX4