Hydor ETH 300 In-Line External Aquarium Heater, 300w, 5/8″ hose

ETH Heaters are the first external heaters for aquariums with the exclusive PTC technology. The self-limiting PTC heating element guarantees maximum safety against any risk of overheating. Designed to be used on return lines coming from canister filters or sumps.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 4 x 4 x 12.5 inches; 1 Pounds
Item model number ‏ : ‎ T08203
Department ‏ : ‎ Home
Date First Available ‏ : ‎ June 15, 2004
Manufacturer ‏ : ‎ Hydor USA, Inc.
ASIN ‏ : ‎ B0002Z7VQE

Easy to use
High precision electronic temperature control
For external use
5/8 inch hose