Maytronics DX3/4 Ultra Fine Cartridge Filter Panels [Qty-4] (9991422-ASSY) aquastar The DEX7220BTC is a practical

The DEX7220BTC is a practical service part when a compatible Hayward filter needs a lid assembly to restore dependable tank sealing and support

Installed in the right M7 setup

and more service-correct

Its dependable design helps reduce air-lock issues and supports long-term filter reliability

influencing circulation quality and system efficiency

Maytronics DX3/4 Ultra Fine Cartridge Filter Panels [Qty-4] (9991422-ASSY) aquastar The DEX7220BTC is a practicalUltra fine cartridge filter panels help capture smaller debris inside a compatible robotic cleaner, and this Maytronics version is designed for DX3 and DX4 applications and supplied in a quantity of four using the 9991422 ASSY reference. Fine filtration panels are useful when the cleaning environment calls for tighter debris capture than a more open filter style can provide. This set has practical value because replacing all four panels together helps