Ultra fine filter panels for Dolphin S200 and S300, 4 pack
✓ Fits S200, S300 and S300i, Proteus DX4 and DX5i and moreFree shipping in the US · Arrives in 9 to 14 days
Maytronics lists its own 4 pack at $124.99 (checked Nov 6, 2026).
- Same shape and size as part 9991467-R4
- Click into the original filter basket
Compatible parts, not made, sold or endorsed by Maytronics or Dolphin. Made in China. Shipping and returns.
Robot over 4 years old? Newer models clean better. See today's top pick, the Wybot F1 →
When to swap each part
The robotsforthat ultra fine filter panels for Dolphin S200 and S300, 4 pack costs $19.99 (or 2 for $37.98) and includes 4 ultra fine filter panels. It fits the Dolphin S200, Dolphin S300 and S300i, Dolphin Proteus DX4 and DX5i, Dolphin Active 20, 30 and 60, Dolphin M600, Explorer E30 and E35, but not the M400, M500 or Nautilus CC Plus. Shipping is free in the US and takes 9 to 14 days, and a part that does not fit is replaced or refunded with nothing to send back. These are compatible parts, not made or sold by Maytronics or Dolphin.
Errors this kit can fix
Worn brushes, filters and pads are a common cause of these Dolphin errors. Try the free fix first; replace the part if it keeps coming back.
Questions buyers ask
Which refill kit fits the Dolphin S200?
This one: Ultra fine filter panels for Dolphin S200 and S300, 4 pack, $19.99. It fits the Dolphin S200, Dolphin S300 and S300i, Dolphin Proteus DX4 and DX5i, Dolphin Active 20, 30 and 60, Dolphin M600, Explorer E30 and E35.
Does it fit the Dolphin M400, M500?
No. It does not fit the M400, M500 or Nautilus CC Plus (these use the larger 9991432-R4 panels). Check the fits list before you order.
How often should I replace the parts?
Maytronics says every 200 hours of cleaning.
Is this an official Maytronics or Dolphin part?
No. These are compatible parts, not made, sold or endorsed by Maytronics or Dolphin. Each one matches the size and shape of the original part, and our fit guarantee covers any part that does not fit a listed model.
How long does shipping take?
Shipping is free in the US. The kit ships directly from our parts supplier and most orders arrive in 9 to 14 days, with a tracking link by email.
What if a part does not fit?
Email a photo to [email protected] within 30 days of delivery. We send a free replacement or a full refund, and you do not need to send anything back.
