Maytronics Dolphin 4-3/8" Cartridge w/ Bottom Lid (9991412-ASSY) alliedinnovation When multiple replacements are needed

When multiple replacements are needed for scheduled service or stocked maintenance

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That keeps the repair focused on a core operating interface

The Hayward trap and pump body is designed for compatible TriStar pump applications where the main front housing section needs replacement

A two-piece kit helps make the repair more complete by replacing both supported seals together

Maytronics Dolphin 4-3/8" Cartridge w/ Bottom Lid (9991412-ASSY) alliedinnovation When multiple replacements are neededA cartridge assembly helps capture debris inside a compatible robotic cleaner, and this Maytronics Dolphin version includes a bottom lid with a 4 3 8 inch format using the 9991412 ASSY reference. Cartridge style filter components are important because they influence how effectively the cleaner can trap debris and maintain water flow through the unit. This assembly has practical value because it combines the cartridge with the bottom lid, giving the