Are you still looking for some practical and reliable aquarium oxygen aeration hose accessories? If you are, then you can see our item. It is a aquarium oxygen aeration hose connector, sturdy, not easy to break, durable and long-lasting use. Suitable for personal household fish tank or aquarium use. Features - Color: White -Material:ABS - Size: 3.00X0.40X0.40cm/1.18X0.16X0.16in -Size:30x17x4MM(T shape); 20X4MM(L shape); 27X30X4MM(Y shape) -Note: Including , T-shape, L-shape, Y-shape, Suitable for airline hose with diameter of 4mm. -Made of good plastic material for lasting use, you can use this connector with confidence. -This air pump connectors is designed in various shaped for your different needs. -Suitable for most air pump, to increase the air supply capacity of the equipment or other purposes. -This connector is suitable for fish tank and aquarium air stone or air pump. -Also, this connector is a good substitute adapter for broken or worn out one. Package list: 5 x Airline Tubing Connector(I Shaped) 5 x Airline Tubing Connector(T Shaped) 5 x Airline Tubing Connector(L Shaped) 5 x Airline Tubing Connector(Y Shaped)