1. The gas lift joint has a 45-degree bend, making water flow more comfortable and can be driven by a small air pump 2. Gas lift joints and other connecting parts are made of materials; 3. Ultra-transparent thickened acrylic incubation tube with smooth incision; 4. The sieve plate holes are 1mm, and the lower sieve plate is glued to the main incubation chamber to effectively prevent fish eggs from escaping; 5. The filter cotton is made of black biochemical cotton, not black sponge;<br><br>The bracket is made entirely of acrylic, making it easy to observe. Colour:As Shown Material:Acrylic<br><br>Package Contents: 1 x fish egg incubator<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.