Bio-Dex Aquadex 50 Stain-Off (1 qt) (2 Pack) spa NNR noise reduction rating: -28

NNR noise reduction rating: -28 db

The P100 pre filters are 99

Pilot assembly replacement

Fits Pentair HydroSkim pool and spa skimmers

VFlex Particulate Respirator 9105

Bio-Dex Aquadex 50 Stain-Off (1 qt) (2 Pack) spa NNR noise reduction rating: -28The Bio Dex Aquadex 50 Stain Off is a powerful aid in the removal of metal stains and scales such as copper, iron, and cobalt that have accumulated in both pools and spas. This concentrated liquid is stable at high temperatures and is unaffected by chlorine, acids, or other systems chemicals. Removes copper and iron stains from plaster poolsRemoves black cobalt stains from fiberglass pools and spasPrevents most of the toughest metal stains from