Ziss Aqua Brine Shrimp Hatchery ZH2000Ziss Artemia Blender ZH 2000 plus is the new concept patented Artemia Brine Shrimp Hatchery. Very clear & Durable Polycarbonate Body help excellent hatching rate and guarantee long term use. The strong opened handle gives this unit can be hung on the inside or outside of the tank. Bottom needle type drain valve can separate egg shells after hatching. Aquarium heater (Not Included in this package) and contained thermometer can be installed on the lid