Harmsco ST-155 Spa/Pool Replacement Filter Cartridge zodiacjandylaars A wet end is the

A wet end is the water-handling side of a pump and includes the housing

A trim kit like this is often one of the simplest ways to make the spa feel fresher without rebuilding the entire jet assembly

Supports a cleaner and more dependable installation

A properly selected bearing helps restore intended reel movement and contributes to smoother cover handling

The Waterway 510-1600 square spa skimmer and skim filter is designed for compatible applications and features 1-1/2 inch by 2 inch spigot plumbing with 10 square feet of filtration area

Harmsco ST-155 Spa/Pool Replacement Filter Cartridge zodiacjandylaars A wet end is theThe 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.