AquariumBasics 26.6 Feet Black Aquarium Soft Airline Tubing Hose Standard with 4 Air Stones,4 air Value Controller,4 Check Valves, 6 Suction Cups and 16 in Total for I,L,T,Y Shape Connectors

26.6 Feet black Flexible aquarium Airline Tubing for aquarium, 4mm inner diameter and 6mm outer diameter aquarium air pump hose tubing black is for aquarium/Fish Tank/Hydroponics and connecting air pump and aquarium air stone 4 units aquarium 2 way micro flow controller barb X barb which can control the air level by turning the cap of air value.4 units aquarium fish tank corner silicone protector 4 units black aquarium air stone is to connect aquarium air stone kit to aquarium air pump.4 units black aquarium fish tank check values is to connect fish tank air pump and to aquarium tank air stone.4 units One Way Non Return Valve will avoid the water going back to your air pump when pump is power off. 6 units high quality black suction cups which can let the black aquarium tubing fix on the inner glass of the aquarium tank 16 units in total for I,L,T,Y shape aquarium hose connectors which is 4 units I shape,4 units L shape,4 units T shape and 4 units Y shape