
Quick overview
- Complete assembly Ordered as the cartridge assembly rather than as individual filter panels.
- Dolphin M200 Listed for the Dolphin M200.
- Nautilus Listed for the Nautilus CC Plus, and also published as the Nautilus Plus.
- Genuine Maytronics Factory part 9991427-ASSY.
- Where pickup goes first A loaded cartridge costs a robot suction before anything else on it shows a symptom.
- Check the frame The cartridge filter frame holder is a separate Maytronics part if yours has cracked.
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Product details
This is the Maytronics replacement cartridge assembly, part 9991427-ASSY, for the Dolphin M200 and the Nautilus CC Plus robotic pool cleaners. Maytronics also publishes the same fitment as the Dolphin Nautilus Plus.
Assembly, not panels
It is supplied as the complete cartridge assembly. Individual spring cartridge filter panels and the cartridge filter frame holder are separate Maytronics parts, so if only one of those has failed you can order it on its own.
When to change it
Filtration is the first thing to fall away on a robot. Rinse the cartridge after each cycle, and replace the assembly once rinsing no longer brings the flow back, the media has gone stiff and discolored, or the cleaner is plainly leaving more behind than it used to.
| Brand | Maytronics |
|---|---|
| Manufacturer part number | 9991427-ASSY |
| UPC | 718117205248 |
| Type | Cartridge assembly |
| Fits | Dolphin M200 |
| Also listed to fit | Dolphin Nautilus CC Plus, Dolphin Nautilus Plus |
| Shipping weight | 0.95 lb |
| Ships | Parcel |
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Questions and answers
What people ask about this product, answered by our pool techs.





















