Welcome to the patent-pending automatic self-cleaning protein skimmer! Our protein skimmer has several useful advantages over traditional protein skimmers. The biggest maintenance chore for traditional skimmers is frequent neck cleaning. We have a novel rectangular design that completely eliminates the skimmer neck. We have replaced the skimmer neck, or "gunk accumulation zone", with a fully automated, digitally-controlled self-cleaning assembly. A motor turns on once daily and the included filter fleece captures the skimmate and wipes clean the upper skimmer walls. A large PVC drain at the top allows the liquid skimmate to be collected into a large (not included) reservoir. The filter fleece lasts 3 months or more, and can be changed in minutes. The reservoir (purchased separately) holds over 1 gallon of liquid skimmate. Our over-sized, powerful and controllable DC motor is quiet, reliable and efficient. If you are sick of skimmer maintenance, this skimmer is for you!