Aqua One GH Quartz Heater range utilises high quality, shatter-resistant quartz glass and incorporates thermal cut-off technology. Fish are kept safe with the heater casing, preventing them from coming into direct contact with the heating element. Key Features: Shatter-resistant quartz glass Strong protective casing Fully submersible LED indicator light Adjustable temperature range of 20°C to 34°C Heater casing protects fish from coming into direct contact with the heating element The heater incorporates thermal cut-off technology. When the water reaches the set temperature the heater will shut off, and switches back on once the temperature drops Adhesive suction cups to secure your heater to the aquarium Suitable for use in glass, plastic or acrylic aquariums 2 + 1 Year Guarantee
