Free delivery on orders over £50.00 in the UK Online Catalogue : Products For Tropical Fish : Heater Thermostats Hydor Theo Shatterproof Heater New aquarium heater functioning with the exclusive PTC (Positive Thermal Coefficient) technology. The first shatter-proof heater thanks to the peculiar glass tube. Maximum security: : THEO is shock resistant thanks to the PTC heating element and the shatterproof glass tube. Free positioning in aquarium with supplied suction cups. Self-limiting: : the patented PTC heating system guarantees operation in complete safety because in case of dry running there is no danger for damage. Hydor Theo Shatterproof Heater 25w - £22.98 Hydor Theo Shatterproof Heater 50w - £22.98 Hydor Theo Shatterproof Heater 100w - £24.99 Hydor Theo Shatterproof Heater 150w - £27.99 Hydor Theo Shatterproof Heater 200w - £27.99 Hydor Theo Shatterproof Heater 300w - £30.00 Hydor Theo Shatterproof Heater 400w - £34.00 Juwel Replacement Heater Combined heater and themostat. Juwel 50w - for tanks upto 18" length - £21.68 Juwel 100w - for tanks upto 24" length - £21.68 Juwel 200w - for tanks upto 36" length - £21.68 Juwel 300w - for tanks upto 48" length - £21.68 Rena Heater/Stat Combined heater and themostat. Rena 50w - for tanks upto 18" length - £20.89 Rena 100w - for tanks upto 24" length - £22.79 Rena 150w - for tanks upto 30" length - £22.79 Rena 200w - for tanks upto 36" length - £23.78 Rena 300w - for tanks upto 48" length - £23.78 TetraTec Heater/Stat Combined heater and themostat. Tetratec 75w - for tanks upto 24" length - £20.75 Tetratec 100w - for tanks upto 24" length - £20.75 Tetratec 150w - for tanks upto 30" length - £21.32 Tetratec 200w - for tanks upto 36" length - £21.32 Tetratec 300w - for tanks upto 48" length - £22.21 Can't find what you're looking for ? email us - sales@fishybits.co.uk