Genuine Maytronics part · Filters
Maytronics Ultra-Fine Debris Filter Basket
Part number 9991458-R1 · UPC 810071220166 · 1 year part warranty
Genuine Maytronics replacement ultra-fine filter basket for Dolphin S200, Dolphin S300 and Dolphin T55i.
$164.99 MSRP
Out of stock
About this part
What it does and when to replace it.
The genuine Maytronics Ultra-Fine Debris Filter Basket, part 9991458-R1, collects fine debris as your Dolphin robot cleans. It replaces the robot's existing filter basket assembly.
Check your robot against the confirmed model list below before choosing this replacement. Poolbots does not currently stock this part. Contact Poolbots' pool experts by live chat or phone for help identifying it and confirming fit.
- Use part number 9991458-R1 when asking Poolbots' pool experts to check fit.
- Check the filter material and basket frame for damage whenever you remove the basket for cleaning.
Compatibility
Fits these Dolphin robots.
Confirmed by Maytronics' compatibility checker and each robot's own spare-parts list.
Also listed by Maytronics for: Dolphin T55i, Dolphin SCOOP SMART, E30, Dolphin Evolution 30, Dolphin MAESTRO 30, Dolphin MR 30, Dolphin PoolBot PB30, Dolphin RUN 30, Dolphin Seamaster Plus, Superpool, S200, Z1B, Dolphin WOLLY, POOLSTYLE 30, Dolphin SM 30, SX 30, Dolphin Avalon 30, Dolphin Cainan 2, Dolphin CARRERA 30, Dolphin E30, Dolphin ENERGY 200, Dolphin EX20, Dolphin FORMULA 30, Dolphin HAMMER PLUS, Dolphin Superpool, Dolphin Z1B, Dolphin Blue Maxi 30, Dolphin FON 30, Dolphin POOLSTYLE 30, Dolphin SX 30, Dolphin SCOOP COMFORT, E35, Dolphin Evolution 35, Dolphin MAESTRO 35, Dolphin PoolBot PB35, Dolphin E35i, Dolphin CARRERA 35, Dolphin Cainan 3, Dolphin E35, Dolphin ENERGY 300.
Do it yourself
How to replace it at home.
Switch off and unplug the power supply.
Remove the robot from the pool and follow its manual to access the filter basket.
Lift out the old basket, noting its position.
Place the replacement basket in the same position and check that it sits securely.
Close the filter compartment as directed in your robot's manual.
Step-by-step answers for this kind of part
How do I replace the filter panels on my Dolphin robot?Video15 min
Find your model below, then follow its video and instructions. The panel removal and installation steps vary by filter design.
S50 (Cayman, T15, T25, Active 10, Escape, Encore, E20, E25) & S100 (Advantage, Proteus DX3, Saturn, Echo, Nautilus CC, Active 15, Escape, Liberty 200/300/400)
Step 1Remove the old filter panels
- Lift the filter cover open.
- Take the filter basket out of the robot.
- Press the plastic release at the top of the filter's wide side, then lift out the released panel. The narrow side panels come out easily. The front and back panels are secured with screws, so use a Phillips-head screwdriver to release them.
- Follow the same process for the opposite side panel.
Step 2Install the replacement panels
- Slide a replacement panel into the basket.
- Push the panel against the frame until it clicks into place.
- Fit the other side panel the same way.
- With both panels in position, clip the filter's bottom section back into place.
S200 (E30, Advantage Ultra, Active 20, Quantum, T30, Proteus DX4, Triton PS) / S300 (E35/E35i, Proteus DX5i, Active 30, T35/T45, Premium 40, Explorer E30, E40i, Active 30i, T55i) / S400 (E50i, Active 50, Explorer E50) / Liberty 600
Step 1Remove the old filter panels
- Lift the filter cover open.
- Take the filter basket out of the robot.
- Press the plastic release at the top of the filter's side, then lift out the panel that releases.
- Work through the remaining narrow and wide panels using the same method.
Step 2Install the replacement panels
- Set the bottom edge of a replacement panel into the filter's lower rail.
- Push the panel into the frame so it clips into the filter.
- Press it against the frame until you hear it click.
- Fit each remaining narrow and wide panel the same way.
Premier/Dx4 (Bag filter)
Filter bag setup for Dolphin Premier
- Turn the robot upside down so you can reach the filter area.
- Release the clips underneath the filter assembly.
- Lift the assembly out of the robot.
- If the white filter screen is not already fitted, secure it with the two screws.
- Check that the filter bag sits securely on the assembly's guard rails.
- Put the filter bag assembly back in, following the guide and video.
Filter cartridge assembly setup for Dolphin Premier
- Turn the robot upside down so you can reach the filter area.
- Release the clips underneath the filter assembly.
- Lift the assembly out of the robot.
- Make sure the white filter screen is not installed for this setup.
- Follow the guide and video to reinstall the assembly.
- Fasten the clips underneath the assembly to secure it.
M250 (Dx3, Nautilus CC Plus)
Step 1Prepare the filter cartridges
- Lift the filter covers and take the cartridges out of the robot.
- Release the clips at the top of each cartridge.
- Inspect the non-return flap for debris.
- Check that the frame is clean before fitting replacement panels.
Step 2Fit the replacement panels
- Seat the locating tabs along the bottom of each panel in the matching grooves on the base frame.
M400/M500 (Sigma, Nautilus CC Supreme, Aquarius XL, Oasis)
Step 1Prepare the filter cartridges
- Lift the filter covers and take the cartridges out of the robot.
- Release the clips at the top of each cartridge.
- Inspect the non-return flap for debris.
- Check that the frame is clean before fitting replacement panels.
Step 2Fit the replacement panels
- Seat the locating tabs along the bottom of each panel in the matching grooves on the base frame.
M600/M700 (Active 60, E60i, Premium 60, Explorer E70)
Step 1Remove the old filter panels
- Lift the filter cover open.
- Take the filter basket out of the robot.
- Press the plastic release at the top of the filter's side, then lift out the panel that releases.
- Work through the remaining narrow and wide panels using the same method.
Step 2Install the replacement panels
- Set the bottom edge of a replacement panel into the filter's lower rail.
- Push the panel into the frame so it clips into the filter.
- Press it against the frame until you hear it click.
- Fit each remaining narrow and wide panel the same way.
Replacement panels and filter care
You can purchase replacement filter panels from Poolbots. Before ordering, confirm that the panel part number matches your robot. For help choosing the correct panels, contact Poolbots' pool experts by live chat or phone.
Additional references:
Specifications
Size & Dimension
- Package Dimensions
- 10.8x7.2x8.6 inch
- Gross Weight
- 2.205 lb
General Info
- Warranty (years)
- 1
- UPC
- 810071220166
Questions
Maytronics Ultra-Fine Debris Filter Basket, answered.
Which Dolphin robots fit this basket?
Confirmed models are Dolphin S200, Dolphin S300, Dolphin T55i, Dolphin Active 2000, Dolphin Premium 2000, Dolphin T2000, Dolphin S2000, Dolphin Active 3000, Dolphin Premium 3000 and Dolphin T3000.
Can I buy this part from Poolbots?
Poolbots does not currently stock 9991458-R1. Contact Poolbots' pool experts by live chat or phone for help identifying the part and confirming compatibility.
What warranty is listed for this part?
The listed part warranty is one year.
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