Item Type: Shrimp Eggs Incubator Material: Plastic Product Size: Total Length Approx. 30.5cm/12in (0.1-0.5cm/0.03-0.19in) 1The brine shrimp eggs incubator is made of premium material, non toxic and sturdy. 2Simple and practical, it is an ideal choice for shrimp egg feeding and ornamental fish larvae. 3Sturdy, high strength and excellent aquarium, simple and practical, easy to hatch shrimp and feed fish. 4The shrimp eggs incubator is easy to use and clean, which is very convenient to hatch. 5Connect the aeration pump to the air inlet at the bottom of the incubator, eggs can be hatched within 36?48 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 simple 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. 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