Maytronics 9991432-R4 Ultra-Fine Debris Filter Panels (4 Pack, Large/Spring-Style) for Dolphin Robotic Pool Cleaners | Genuine Replacement
The Maytronics 9991432-R4 is a genuine Dolphin ultra-fine debris filter panel kit that includes 4 replacement filter panels. These are commonly listed as large spring-style ultra-fine filter panels used in compatible Dolphin robotic pool cleaners to capture very small debris such as dust, silt, sand, and algae.
Key Features
- Part number: 9991432-R4
- Brand: Maytronics (Dolphin genuine part)
- Product type: Ultra-fine debris replacement filter panels / cartridge panels
- Quantity: 4 panels (4-pack)
- Filter type: Ultra-fine debris filtration (panel-style)
- Style: Large spring-style cartridge panels (commonly listed)
- Maytronics certified genuine replacement part
- Commonly listed warranty: 1 year (listing/manufacturer dependent)
- Manufacturer recommendation commonly listed: Replace after about 200 hours of use
What This Part Does
- Replaces worn, damaged, or clogged filter panels in compatible Dolphin cleaners
- Captures ultra-fine debris for improved water clarity
- Helps maintain filtration performance and debris retention during cleaning cycles
- Provides removable/rinseable panels for routine maintenance
Common Compatibility Notes (Verify Before Ordering)
- Commonly used on select Dolphin large 4-panel cartridge cleaner platforms
- Frequently referenced compatible models include: M200, M400, M500, Sigma, Nautilus CC Plus, Nautilus CC Supreme, Oasis Z5 / Z5i, Triton Plus, Wave 60 / 65 / 80 / 90, and select C-series / Supreme variants (model/version dependent)
- Not commonly listed for: older Nautilus, Nautilus CC (non-Plus), Triton, Triton PS, and Triton PS Plus (verify exact model before ordering)
- Always verify your exact cleaner model and existing filter panel part number before ordering
Important Notes
- This is the ultra-fine panel set (finer than the 9991433-R4 fine panel set).
- Ultra-fine panels may load up faster in heavy leaf debris conditions than fine/coarse panels.
- Best for small particles like dust, sand, silt, and algae.
- Confirm your cleaner uses the large 4-panel cartridge system compatible with part 9991432-R4.
Use & Care Notes
- Install all 4 panels correctly in the filter basket/frame according to your cleaner manual.
- Rinse thoroughly after each cleaning cycle to remove trapped debris.
- Do not allow debris to dry and harden in the filter media.
- Inspect panel frames and filter surfaces regularly for cracks, wear, or deformation.
- Keep a spare clean set available for faster turnaround during peak season.
Related Products (Aqua Pool Supply)
- Maytronics 9991432-R4 Ultra-Fine Filter Panels (Search)
- Maytronics 9991433-R4 Fine Filter Panels (Search)
- Dolphin Filter Panels & Cartridges (Search)
- Dolphin Nautilus CC Plus Parts (Search)
- Dolphin Wave Parts (Search)
Maintenance Tips
- Rinse panels immediately after use to prevent debris buildup and reduced flow.
- Rotate between two panel sets to reduce downtime and extend filter life.
- Inspect for debris bypass and confirm panels are seated properly if dirt returns to the pool.
- Replace panels when media becomes damaged or filtration performance drops noticeably.
