Find the lowest price for:       All ProductsHeaters     0.0 (0)   Add a review Hydor ETH 200 and 201 Inline External Heater 200W   ETH In-Line Heater 200 watt, 1/2" by Hydor. Compact in-line heater operates externally, saving interior aquarium space Have a question? Ask the Experts! Set Price Alert Compare Prices Product Spec Member Reviews Recommend to Friends Searched Hydor ETH 200 and 201 Inline External Heater 200W in 150 stores, 25 results found Image Description   Store   Price Hydor ETH 201 In-Line Heater UL 200W 5/8 New in Box If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay (auction)   3 Store Reviews   $29.99 Go to Store Hydor ETH 200 In-Line Heater UL 200W 1/2 New in Box If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay (auction)   3 Store Reviews   $29.99 Go to Store Hydor ETH 201 EXTERNAL In-Line HEATER 200 watts 200w If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $38.98 Go to Store Eth 200 200 Watt Line Heater 1/2" - Hydor USA Inc If this item doesn't belong here, click Remove and help us keep our results accurate.   PetBlvd.com   0 Store Reviews   $40.46 Go to Store Eth 201 200 Watt Line Heater 5/8" - Hydor USA Inc If this item doesn't belong here, click Remove and help us keep our results accurate.   PetBlvd.com   0 Store Reviews   $40.46 Go to Store EXTENAL THERMAL HEATER, ETH 201 (200w) BY HYDOR If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $41 Go to Store Hydor ETH 201 In-Line Heater UL 200W f/16mm & 5/8" Hose If this item doesn't belong here, click Remove and help us keep our results accurate.   Premium Aquatics   1 Store Reviews   $44.95 Go to Store ETH 200 In-Line Heater for 12mm or 1/2 in. Tubing - 200W If this item doesn't belong here, click Remove and help us keep our results accurate.   That Fish Place That Pet Place   3 Store Reviews   $44.99 Go to Store ETH 201 In-Line Heater for 16mm or 5/8 in. Tubing - 200W If this item doesn't belong here, click Remove and help us keep our results accurate.   That Fish Place That Pet Place   3 Store Reviews   $44.99 Go to Store ETH 200 In-Line Heater UL 200W f/12mm & 1/2" Hose If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $44.99 Go to Store Hydor ETH 200 Watt External Thermal Aquarium Heater for 1/2" If this item doesn't belong here, click Remove and help us keep our results accurate.   onlinepetdepot.com   0 Store Reviews   $48.07 Go to Store Hydor ETH 200 Watt In-Line Heater 1/2" If this item doesn't belong here, click Remove and help us keep our results accurate.   Gulf Aquaria   1 Store Reviews   $48.99 Go to Store Hydor ETH 200 Watt In-Line 5/8" If this item doesn't belong here, click Remove and help us keep our results accurate.   Gulf Aquaria   1 Store Reviews   $48.99 Go to Store Hydor ETH In-Line Heater 200 watt, 1/2" for Aquariums If this item doesn't belong here, click Remove and help us keep our results accurate.   Drs. Foster and Smith   7 Store Reviews   $49.99 Go to Store HYDOR ETH extrenal 200 wt INLINE fish tank HEATER NEW If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $49.99 Go to Store Hydor ETH 200 In-Line Heater-200 W If this item doesn't belong here, click Remove and help us keep our results accurate.   Big Al's Online   0 Store Reviews   $49.99 Go to Store Hydor ETH In-Line Heater 200 watt, 5/8" for Aquariums If this item doesn't belong here, click Remove and help us keep our results accurate.   Drs. Foster and Smith   7 Store Reviews   $49.99 Go to Store Hydor ETH 201 In-Line Heater-200 W If this item doesn't belong here, click Remove and help us keep our results accurate.   Big Al's Online   0 Store Reviews   $49.99 Go to Store Hydor ETH 200 Watt External Thermal Aquarium Heater for 5/8" If this item doesn't belong here, click Remove and help us keep our results accurate.   onlinepetdepot.com   0 Store Reviews   $52.57 Go to Store HYDOR INLINE HEATER If this item doesn't belong here, click Remove and help us keep our results accurate.   Aquarium Center   0 Store Reviews   $53.99 Go to Store Hydor ETH200 200W LINE HEATER 1/2 in If this item doesn't belong here, click Remove and help us keep our results accurate.   Pets Warehouse   0 Store Reviews   $56.14 Go to Store Hydor ETH 200 In-Line Heater 200 Watt - 1/2 inch If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $57.99 Go to Store Hydor ETH 200 In-Line Heater 200 Watt - 1/2 inch If this item doesn't belong here, click Remove and help us keep our results accurate.   MarineDepot.com   5 Store Reviews   $57.99 Go to Store Hydor ETH 201 In-Line Heater 200 Watt - 5/8 inch If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $58.99 Go to Store Hydor ETH 200 In-Line Heater 200 Watt - 1/2 inch If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $60.89 Go to Store Are we missing a store? 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