Internal Air Filters and Parts for Gast Rotary Vane Compressors Air Filter Part:Black Plug lightweight BioBalls are easy to

lightweight BioBalls are easy to clean and reduce channeling

Perfect for the individual who wants a smaller indoor water feature rather than a full-size outdoor pond

Replaceable pleats eliminate costly cartridge replacement

The entire system comes pre-plumbed on an all-weather pad with plumbing already installed and the media in the tank

Extension Cord (WLED-RGB-C-3)

Internal Air Filters and Parts for Gast Rotary Vane Compressors Air Filter Part:Black Plug lightweight BioBalls are easy toGast rotary vane compressors have two internal air filters. Air filter elements and o rings are included in repair kits, but are also available individually here. The black plug that holds the filter does not come in repair kit.