This removable overflow comb designed for fish tanks, providing an efficient water filtration system. Made from acrylic, it ensuring longevity and reliability. The comb helps prevent fish from overflowing, making it an essential accessory for any aquarium. Features -Color:Transparent -Material:Acrylic -Size:20.00X5.00X0.30cm/7.86X1.97X0.12in -Size:10.00X5.00X0.30cm/3.93X1.97X0.12in -Removable: the detachable structure allows for easy cleaning and maintenance, enhancing user convenience -Overflow prevention: effectively prevents the fish tank water level from too high and overflowing -High compatibility: suitable for various acrylic fish tanks, offers strong compatibility and easy installation -Fish separator: the aquarium comb can be placed between different connected aquariums, serving as a fish separator -Optimized water flow: the overflow box optimizes water flow, reduces noise, and creates a tranquil viewing experience Package list: 4 x Aquarium Comb 10cm 4 x Aquarium Comb 20cm