Description:
Great for 15-18mm Outer Diameter airline tubing
Suction cups are made of soft plastic clear material which will stay firmly either outside or inside the tank with water. A necessity for setting up an air pump.
Each suction comes with one clip. If they come apart, just push the clip back into the suction cup.

Feature:
Easy to use
Come in handy
Durable and Reusable
Strong suction force

Specification:
Product Name: Aquarium Suction Cup
Material: Plastic
Main Color: Clear, White
Suction Cup Size: 30mm x 39mm / 1.18" x 1.54"(D*H)
Clip Inner Diameter: 17mm / 0.67"
Net Weight: 47g
Package Content: 12Pcs x Aquarium Suction Cup