The Aqua Products oval tube jets are designed for compatible cleaner applications where water is directed through the cleaner body to support intended movement or cleaning action. Jet components like these are useful because they help maintain the proper flow pattern that the cleaner depends on for balanced performance.This two-pack is especially useful when the original jets are cracked, worn, clogged, or missing. Replacing them as a set can help restore a more even flow pattern and bring back the mechanical consistency the cleaner was designed to have.The A101912PK is a practical replacement set for compatible Aqua Products cleaners that need renewed jet performance and more dependable operation. Aqua Products oval tube jets 12 inch black design in a 2-pack Helps support proper water-flow behavior in the cleaner Useful when original jets are damaged or missing Supports cleaner, more dependable cleaner performance