HITOP Air Pump Accessories, Aquarium Accessory Set with 2 * 1.5m Standard Airline Tubing, 2 Check Valves, 2 Air Stones, 2 Suction Cups, 2 Extra Air Rugulating Valves, T-Connector & Air Filter Cotton

• [All in one package] Come with everything you need for one aquarium air pump: 1.5m air tubes*2, check valves*2, air stones*2, suction cups*2, T-connector*1 and air filter cotton*1.
• [2*1.5m Standard Air tubes] Standard 3/16" Air Tubing suits for nearly all the air pump and the hose is made of soft clear plastic, which is flexible and durable. 1.5m length for each is enough for most fish tanks.
• [Check Valves] When the air pump is lower than the water level in fish tank, check valve must be installed to prevent water flowback and damage the pump.
• [Air Stones] Air stones with the diameter of 2.3cm can continuously produce a large number of bubbles, effectively oxygenate the fish tank.
• Regulating Valves can be used to install on the air tube to adjust the air volume (When you need very precise air volume). 2 suction cups can firmly attach the air tubes on the tank. You can convert 2 outlets into 1 outlet with T-connector and the round air filter cotton can filter the dust in air to make the air pump last longer.

HITOP Aquarium Air Pump Accessories Kit: Standard 3/16" Air Tubing, Check Valves, Air Stones, Suction Cups, Regulating Valves, Connector, Suitable for Common Fish Tank Air Pumps