Maytronics 9991422-R4 Ultra Fine Cartridge Filter - Small

What This Part Is Used For
This small ultra fine cartridge filter installs inside compatible Maytronics robotic pool cleaners. It captures very fine debris during automated cleaning cycles. The cartridge is removable for rinsing and maintenance.

Why This Part Matters
Fine sediment can impact water clarity if filtration media becomes worn or clogged. Reduced suction performance often traces back to compromised filter panels. Replacing the cartridge restores internal filtration efficiency. Proper filter maintenance supports reliable cleaning coverage.

Key Features and Specifications

• Manufacturer part number: 9991422-R4
• Ultra fine cartridge filter
• Size: Small
• Designed for compatible Maytronics robotic cleaners
• Removable and cleanable configuration

Installation and Fitment Guidance
Remove the cleaner from the pool and disconnect power before servicing internal filters. Verify proper seating within the filter housing prior to operation. Confirm by manufacturer part number before ordering.

About the Maytronics Brand
Maytronics offers multiple filtration options to match varying debris conditions. Ultra fine filters are commonly used where fine dust and silt are present. Their modular design supports quick service and part replacement. The brand maintains strong parts support across its robotic platforms.

Common Service Context
Technicians install small ultra fine cartridges during periods of heavy pollen or dust. It is common in pools located near landscaping or construction. Routine inspection helps identify clogged or deteriorated filter panels.