Welcome to our store!1. Made of high quality plastic material, sturdy, durable and long service life. 2. Independent control switch, easy operation, convenient to use. 3. Suitable for single-hole air pumps to distribute oxygen supply through multiple holes. 4. Multi-distributor valve, adjustable air volume to adjust freely. 5. Professional manufacturing, fine workmanship, suitable for fish tank and aquarium.Item Type: Aquarium DividerOptional Model: 2-way 2 pcs, 3-way 2 pcs, 4-way, 5-way, 6-wayMaterial: PlasticColor: As pictures showAir Inlet: Approx. 4 mm/0.16 inch, 8 mm/0.31 inchAir Outlet: Approx. 4 mm/0.16 inch2-way size: Approx. 6.5x5.2 cm/2.56x2.05 inch3-way size: Approx.8.2x5.2 cm/3.23x2.05 inch4-way size: Approx.10x5.2 cm/3.94x2.05 inch5-way size: Approx.11.7x5.2 cm/4.61x2.05 inch6-way size: Approx.13.1x5.2 cm/5.16x2.05 inch1 x Aquarium DividerYour 100% satisfaction is our highest priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity etc., please contact us immediately and we will provide you with the best solution!