This heater case can help to protect both heater and aquarium fish, turtles, frogs from accidental breakage and scalding. Specifications: Condition: 100% Brand New Material: Plastic Color: Black Width: Approx. 3.1cm / 1.22in Height: Approx. 4cm / 1.57in Single Middle Linking Tube Length: Approx. 3.5cm / 1.37in Length: #0: Approx. 18.5cm / 7.28in #2: Approx. 30.5cm / 12in #3: Approx. 36.5cm / 14.37in Package Weight: Approx. 31~60g Why choose Fdit Fish Tank Heater Protective Case? Perfect to protect your fishes, turtles and frogs in tank from water heater scalding.Can also protect the heater from accidental breakage to avoid damage and hurt.Detachable design makes it easier to adjust it at the length you need. With suction cup design, it is quite convenient for you to install it in tank.Premium plastic constructed case for long service time. Suitable for any round type heater. Type: #0, #2, #3 (optional) Package Included: 1 x Fish Tank Heater Protective Case 1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.