Over 50 years of service...
Product
  Information
Product Information
687
NON-SILICONE DEFOAMER
687 Non-Silicone Defoamer is an organic defoamer that eliminates foam without creating the silicone-type sheen common with most defoamers. 687 Non-Silicone Defoamer can be added directly to the water system for emergency treatment or daily prevention of aerational foam formation.