The In Out Mufan clamp is a specialized product line from Mufan company with the main use being to hold the In Out tube to filter the barrel and clamp it to the mouth of the aquarium, aquatic life. With a clear and durable acrylic design, the product line brings a very high aesthetic to your aquarium and aquarium. Allows filter pipes to be locked in place and removes the need for suction cups. Clean look and can be adjusted to fit most filter pipes.Size:60x40x43mm suitable for glass up to 20mm With the main use of fixing the filter�s in-out tube, fixing the glass in-out tube and feeding tubes for shrimp. This is an extremely necessary and useful product for users