Features 1、Check Valve: It can be used both inside and outside the aquarium, the air supply port at the top needs to be connected with a simple check valve, which can effectively prevent the water in the incubator from backing up and prevent damage to the air pump. 2、Hatching Use: Brine shrimp hatched in the brine shrimp incubator provide food for shrimp, fish and other seedlings. Its compact design allows easy placement in your aquarium or fish tank. 3、Durable Material: Shrimp eggs incubator is made of premium plastic material, sturdy, odorless, unbreakable and long lasting. 4、Use Note: Connect the air pump to the air inlet at the bottom of the incubator, fill the water to standard level, add sea salt and shrimp eggs, please pay attention to adjust the flowing rate. 5、Easy to Use: The process is very simple and easy to use with high hatching rate. And, the incubator hatching is simple, practical and convenient for hatching shrimp to feed fish. Specifications: Item Type: Brine Shrimp Eggs Incubator Product Material: Plastic Product Size: Approx. 30x8.5x8.5cm / 11.8x3.3x3.3in Package List 1 x Incubator 1 x Check Valve 1 x Connector 1 x Regulating Valve 1 x Air Hose 4 x Suction Cups 1 x Water Hose 2 x Bracket