Harmsco ST-155 Spa/Pool Replacement Filter Cartridge nemopower or collapsed from age and

or collapsed from age and repeated use

Touchscreen topside for compatible Balboa SpaTouch3 applications

matching part number 23446-042-700

while Buna material provides a reliable seal option for supported applications

Useful when the original faceplate is damaged or missing

Harmsco ST-155 Spa/Pool Replacement Filter Cartridge nemopower or collapsed from age andThe Harmsco replacement filter cartridge is designed for compatible ST 155 filter applications where the internal filter element needs replacement. A filter cartridge is useful because it helps capture dirt and debris from the water flow, supporting cleaner water and more dependable filtration performance. This replacement is especially useful when the original cartridge is torn, clogged beyond cleaning, collapsed, or no longer filtering effectively.