heaters Home / Marine / heaters / AS VisiTherm Heater 50W AS VisiTherm Heater 50W AS VisiTherm Heater 50W £21.99 Add to your Wish List Information VisiTherm Aquarium Heating Range Fully submersible automatic heating for aquarium and aqua-terrarium Temperature adjustable from 20?C to 34?C Accurate setting in steps of 0.5?C Hard wearing quartz glass ensuring adequate heat transfer via a high performance heating element Dual calibration in the factory (dry and in water) in order to guarantee considerable accuracy Suction cups provided Control knob of the temperature Waterproof double insulation Visible temperature setting Light indicates on and off cycles Heating elements with improved insulation
