SODIAL(R) Plastic Aquarium Water Heater Protector Guard, 46.5cm, Black Aquarium Heater Protector; Material : Plastic Color : Black; Total Size (Approx.) : 46.5 x 3.8cm/18.3" x 1.5" (H*D) Internal Diameter : 3.3 cm/1.3";Sucker Cup Diameter : 3.1 cm/1.2" Weight : 98g Package Included : 1 x Aquarium Heater Protector