We only carry 100% Genuine OEM Maytronics Dolphin Replacement Parts. Don't accept generic replacement parts when you can get original parts.
The Maytronics Dolphin Spring Filter Cartridge - Pack of 4 (Item 9991407-R4) is specifically designed to to fit the following Pool Cleaners:
The Maytronics Dolphin Spring Filter Cartridge - Pack of 4 will only fit the following pool cleaners with a Conversion Kit.