Astral Pool Aster Sand Filter 1-1/2" Diffuser (645) spacovers while the directional format helps

while the directional format helps support a more tailored jet experience

Designed for compatible multi-path plumbing control

Once installed in the correct system

Supports smoother cleaner operation and wear control

That visual improvement is often just as noticeable as the restored hydrotherapy feel

Astral Pool Aster Sand Filter 1-1/2" Diffuser (645) spacovers while the directional format helpsThe Astral Pool Aster sand filter diffuser is designed for compatible 1 1 2 inch sand filter applications where incoming water needs to be dispersed properly inside the tank. A diffuser is useful because it helps guide the water into the filter body in a more controlled way, supporting better internal flow management and more dependable filtration performance. This replacement is especially useful when the original diffuser is cracked, damaged, or no