Maytronics Dolphin Cainan 1 ultra-fine filter panels front and rear (S1, pair) - 9991469-ASSY

Maytronics Dolphin Cainan 1 ultra-fine filter panels front and rear (S1, pair)

This is a genuine Maytronics replacement set comprising one front and one rear ultra-fine filter panel for the S1 filter cartridge system used across the Dolphin Cainan 1 and a wide range of compatible S1-platform robots. The ultra-fine mesh captures fine debris — including algae, pollen and very fine sediment — that standard or fine panels would allow to pass through, delivering a noticeably clearer pool water result.

How the panels work

The two flat filter panels slot directly into the front and rear faces of the S1 filter cartridge housing. As the robot’s impeller draws water through the unit, debris is trapped against the panel mesh. The ultra-fine grade offers a finer filtration threshold than the standard fine panels, making it the right choice for pools with persistent fine-particle contamination or algae-prone water.

Compatible Dolphin models

This front-and-rear panel set is designed for the S1 cartridge platform and is confirmed compatible with the Dolphin Cainan 1 and a large family of related S1-platform robots including the Dolphin S100, Dolphin T25, Dolphin Active 15, Dolphin PoolBot PB10, Dolphin Evolution 10, Dolphin Avalon 20, Dolphin IZZY CLIMB, Dolphin ENERGY C, Dolphin EX10, Dolphin FORMULA 20, Dolphin PoolBot PB20, Dolphin CLASSIC LIGHT, Dolphin Seamaster CL, Dolphin E10, Dolphin RUN 10, Dolphin ZFUN, Dolphin POOLSTYLE, Dolphin POOLSTYLE PLUS, Dolphin POOLSTYLE ADVANCED, Dolphin E20, Dolphin CARRERA 20, Dolphin HAMMER, Dolphin MAESTRO 10, Dolphin MAESTRO 20, Dolphin E25, and others. Always verify your robot’s filter type before ordering.

Signs the panels need replacing

Replace these panels when the mesh shows visible tears, holes or permanent staining that cannot be removed by rinsing, when water flow through the cartridge feels noticeably reduced after cleaning, or when the robot returns debris to the pool shortly after a cycle. Damaged panels compromise filtration efficiency and place additional load on the impeller motor.

Why genuine Maytronics panels matter

Aftermarket panels vary in mesh grade, dimensional accuracy and material durability, which can result in poor fit, bypass of debris around the panel edge or premature tearing. Genuine Maytronics panels are manufactured to the precise tolerances of the S1 cartridge frame, ensuring a reliable seal, consistent ultra-fine filtration performance and no risk of voiding your robot’s warranty.