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Matala Pump Defender — a green-Matala sleeve that keeps your pump intake clear
Slide the pump into the sleeve, pull the drawstring, and the pump breathes through a wall of green Matala instead of sucking leaves and string algae straight into the volute. It fits most brands and adds a surprising amount of biological surface at the same time.
- Media
- Green Matala (FSM290)
- Sizes
- 6", 9", 12" (low / tall)
- Fits
- Most submersible pumps
- Closure
- Drawstring top
Image coming soon
Mystic Koi’s take
Cheapest insurance you can buy for a pump. We put one on every submersible we install in a skimmer-less pond — cleaning drops to a quick squeeze-out every couple of weeks, and the flow stays steady between cleanings instead of dying off.
What it does
- Stops pluggingCoarse green Matala keeps debris off the intake.
- Adds bio-surfaceThe same media that fills a BioSteps filter.
- Fits most brandsSized by pump diameter, not model.
- Drawstring topCloses around the cord and outlet pipe.
Sizes & matching pumps
| Model | Inside Ø | Outside Ø | Height | Suits |
|---|---|---|---|---|
| MPD-6 | 6" | 10" | 8" | Small pumps, G-2300 |
| MPD-9 | 9" | 13" | 8" | GeyserFlow / GeyserMax-Flow |
| MPD-12L | 12" | 16" | 8" | G-4900, GM-6200, large pumps |
| MPD-12H | 12" | 16" | 14" | Tall pumps, GHF Hi-Flow |
Pairs well with
Questions we get about the Pump Defender
Which size for my pump?
Measure the pump body’s widest point and pick the sleeve whose inside diameter clears it with a little room.
How do I clean it?
Lift it out, squeeze and hose it with pond water. Never use tap water on media you want bacteria to live in.
Matala at Mystic Koi
Matala filter media and pond equipment have been a koi-keeping staple for decades, and Mystic Koi has sold and run Matala gear in our own systems since we opened in Upland, California in 1996. Everything on this page ships from Matala USA (Sea Life Designs) or our ¾-acre facility. Not sure what fits your pond? Call or visit and we’ll size it with you.

