Check the listing for details. Aquarium Air Line Tubing SUPER KIT. 40' Tubing,Cups,Valves,SEE MORE!. Condition: New. Listed at 14.99 USD. Aquarium 40' Air Line tubing Kit,T-Valves+Control Valves+Connector Valves+Cups+ Check valves DESCRIPTION: LOOK AT ALL THE DIFFERENT ITEMS HERE! 40' FT (2x 20ft rolls) Durable Standard air line tubing- Soft and Durable! 4x Three Way Durable Clear Plastic T-Valves 4x Air Clear Control Valves. 4x Air Line Tubing Connectors4x Check Valves- Keeps your pumps safe from backing up water. 8x Air line Suction CupsBEST DEAL ON EBAY FOR A LOT THIS SIZE AND GREAT QUALITY. Easy To Install/All standard sizes. Great combination kit to cover multiple ways of starting or setting up your existing tank or tanks. See our pictures above for creative designs and uses or use your own creativity. Combined Shipping On Multiple Orders.Free and Lightning Fast Shipping From Within the USA.AWESOME Feedback! Check out our other aquarium items currently up for sale here on Ebay.