Combat 60 - Concentrated Algaecide - 1 Quart filter-length_23 5/8 inches This is an 8 inch

This is an 8 inch StarGuard Main Drain Cover with Long Ring

with 20 inch durable mesh pocket

TESTS: Free Chlorine 0-10 ppm (or Bromine 0-20 ppm)

welded rail has an overall outside diameter of 1

Combat 60 - Concentrated Algaecide - 1 Quart filter-length_23 5/8 inches This is an 8 inchThis is a 1 quart bottle of Combat 60 which contains a concentrated formula that destroys algae and prevents it from starting. This concentrated liquid formula is not affected by high chlorine residues and may reduce the amount of chemicals needed. Combat 60 is compatible with all pool and spa types. Active Ingredient of the Combat 60: 60% Pol (oxyethylene (dimethyliminio) ethylene (Dimethyliminio) ethylene dichloride), 40% Other Ingredients.