Good light transmission, easy to observe: the theme of hatching tube wall thickness, good light transmission, nozzle smooth mouth, easy to observe the process of hatching fish eggs. The standard pipe fittings: elbow reduction key manufacturers are regular, drinking water standard pipe;Angry outlet symmetry;Sucker suction big Tube is soft, easy to install: sucker tube is soft, easy to scratch the incubator tube. This fish incubator allows water to circulate over cichlid eggs have been separated from the parents;It allows egg incubation in tank are breeding in to identical water conditions during incubation period. It can be used on other non-adhesive fish eggs to help prevent as help prevent . Color: White Material: Acrylic + Plastic Size: Approx. 30cm Hight; Diameter 50mm and high quality. The purpose of an egg tumbler is to allow water to circulate over cichlid eggs have been separated from the parents. A supply of clean water allows the eggs to develop in an oxygen environment. Where mould and development is suppressed without the need for chemicals. Egg tumblers are used frequently by breeders . The gentle rolling action caused by these tumblers can simulate the normal incubation of these fish. Precautions: The height of the product 30cm, so we must the water depth greater than 30cm Package Contents: 1 x Aquarium Cichlids Tumbler Fish Hatchery Incubator Only the above package content, other products are not included. Note: Light 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.