Item Type: Shrimp Eggs Incubator Material: Plastic Product Size: Total Length Approx. 30.5cm/12in (0.1-0.5cm/0.03-0.19in) The brine shrimp eggs incubator is made of premium material, non-toxic and sturdy. Simple and practical, it is an ideal choice for shrimp egg hatching and ornamental fish larvae feeding. Sturdy, high strength, excellent for aquarium use, simple and practical, easy to hatch shrimp and feed fish. The shrimp eggs incubator is easy to use and clean, which is very convenient for hatching. Connect the aeration pump to the air inlet at the bottom of the incubator; eggs can be hatched within 3648 hours. 1. The top input of the simple brine shrimp egg incubator is the air supply port. Please adjust the input air volume yourself. If the input air volume is too large or too small, it will affect the incubation time and survival rate of the brine shrimp eggs. Please adjust the input air volume with the air adjustment switch. 2. The air supply port on the top needs to be connected with a check valve, which can effectively prevent backflow of water in the incubator and prevent damage to the air pump. 3. It can be installed in the tank for incubation with a constant temperature in the tank. Package Includes: 1 x Incubator Main Bottle 1 x Built-in Trachea 1 x External Trachea 1 x Bubble Stone 1 x Control Valve 1 x Check Valve 4 x Sucker 2 x Fixed Buckle