best selling BOYU fish tank aquarium glass tube heater HT8200

1.seal  heater

2. Anti explosion
3.Reliable temperature and easy reading

4.submersible.

5.Calibrated in water

6.packing:36 piece per carton

7.when half submersible type is applied the tube won’t bum if water does not exceed the warning level, the heater could be put at any angle, the top temperature controller is easy to operate.