Mini pre-set heaters are configured at 77 deg F to ensure an ideal temperature in small aquariums. The new Jolly Preset is unbreakable thanks to a plastic shell. They are compact with minimum space requirements, practical, precise, and reliable because the temperature is pre-set and regulated by an integrated circuit.
Available in multiple wattages for multiple small aquarium sizes.
-Preset temperature requires no adjustment (tolerance +/- 1 deg C).
-LED light indicates that the heater is operational.
-Reinforced plastic shell makes it completely submersible and unbreakable.