10 Pcs Aquarium Fish Tank Air Line Tubing Holder Suction Cups 30mm Product Name : Aquarium Suction Cup;Color : Clear Material : Soft Plastic;Cup Diameter : 30mm/1.1" Fit Tubing Max. Dia : 16mm / 0.63";Total Size : 28 x 30mm/1.1" x 1.1" (D*H) Weight : 31g Package : 10Pcsx Aquarium Suction Cups