Package Includes：14feet clear tubing,2pcs 1" air stones,2pcs check valves,2pcs clear T connectors,6pcs clear suction cups
Airline tubing: standard 3/16" diameter common to most airline accessories
Air stones: durable and can produce fine bubbles continuously to diffuse oxygen efficiently in your fish tank
Check valves: place these air pump check valves in your airline tubing between your air pump and aquarium water to prevent water returning down the air line
Suction cups and T connectors: fit 3/16 inch ID standard airline tubing
