Surface Skimmers
Weir boxes that pull the film off your water surface, designed to fit a hang on back filter intake.
A surface skimmer sits at the water line and pulls the oily film off the top, so more air reaches the water. Each one is a plain box, with no valve and no pre-filter chamber built in. Intake parts vary, so we designed these to the best sizes we could find. Check the fit before you rely on one.
