Blue Thumb Serenity External Pond Skimmer Airmax Ecosystems While piston linear pumps require

While piston linear pumps require costly piston replacements (which can never be restored to original performance)

Simply unscrew the plastic screws on the top and remove top cover to access the inside chamber

flow adjusters

Grey Matala filters out much smaller particles

Blue Thumb Serenity External Pond Skimmer Airmax Ecosystems While piston linear pumps requireBlue Thumb (formerly PondBuilder) Serenity Skimmers offer a great solution for new or existing ponds and water gardens! Remove debris before it can settle to the bottom and turn into sludge. Includes detachable door, natural cover lid, filter mat, mesh leaf net, stainless screws, screw caps, liner clips, silicone and installation instructions. Natural faux lids provide accessibility and concealment Buoyant door floats with the water level so you