uxcell Aquarium Fish Tank Suction Cup Heater Clips Clamps Holder Black 5 Pcs Color: Black; Package Content: 5 x Aquarium Heater Clips Product Name: Aquarium Heater Clips; Material: Plastic Net Weight: 30g Fit Airline Diameter: 3cm/ 1.18" Suction Cup Diameter: 3.8cm/ 1.5"