Feature: 1. Made of plastic material, long service time, beautiful appearance. 2. Easy to operate and use, special designed for aquarium fish tank. 3. Can be connected to the ordinary internal diameter of 4MM air tube. 4. Including 2pcs fish tank air splitter of the package, blue white color. 5. There are 5 different types available, you can choose by your needs. Specification: Condition: 100% Brand New Item Type: Fish Tank Air Splitter Material: Plastic Color: Blue White 2 Way Length: Approx. 6.7cm / 2.6in, outer diameter of the air inlet and outlet is 4mm / 0.2in 3 Way Length: Approx. 8.3cm / 3.3in, outer diameter of the air inlet and outlet is 4mm / 0.2in 4 Way Length: Approx.10.2cm / 4in, outer diameter of the air inlet and outlet is 4mm / 0.2in 5 Way Length: Approx.11.9cm / 4.7in, outer diameter of the air inlet and outlet is 4mm / 0.2in 6 Way Length: Approx.13.6cm / 5.4in, outer diameter of the air inlet and outlet is 4mm / 0.2in. Package List: 2 x Fish Tank Air Splitter