uxcell 12 Pcs Clear Soft Plastic Suction Cup Air Line Tube Clip Holders for Aquarium Product Name : Aquarium Air Line Clip;Feature : Suction Cup Fit Air Line Diameter : 1.7 cm / 0.67";Suction Cup Diameter : 3 cm / 1.2" Material : Soft Plastic;Color : Clear Weight : 37g Package Content : 12 x Aquarium Air Line Clips