Find the lowest price for:       All ProductsHeaters     5.0 (2)   Add a review Hydor THEO Heater 50 Watt   Theo Heater 50 watt by Hydor. Patented heating element automatically turns off if water level declines Have a question? Ask the Experts! Set Price Alert Compare Prices Product Spec Member Reviews Recommend to Friends Searched Hydor THEO Heater 50 Watt in 150 stores, 25 results found Image Description   Store   Price Theo 50 Watt Submersible Heater - Hydor USA Inc If this item doesn't belong here, click Remove and help us keep our results accurate.   PetBlvd.com   0 Store Reviews   $14.96 Go to Store Hydor Usa Inc Theo 50 Watt Submersible Shatterproof Heater 7" If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $14.99 Go to Store THEO Heater - 50W - UL Listed 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   $15.49 Go to Store THEO UL Heater 50W If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $15.49 Go to Store Hydor Theo Heater 50 watt 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   $16.99 Go to Store Hydor Theo Ul Heater 50 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   fish.com   0 Store Reviews   $16.99 Go to Store Hydor Theo Submersible Heater-50 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   Big Al's Online   0 Store Reviews   $16.99 Go to Store Hydor Usa Inc Theo 50 Watt Submersible Shatterproof Heater 7 If this item doesn't belong here, click Remove and help us keep our results accurate.   Allpetdepot.com   0 Store Reviews   $18.18 Go to Store Theo Shatter-proof Aquarium Heater / Size (50 Watt) If this item doesn't belong here, click Remove and help us keep our results accurate.   GregRobert Pet Supplies   0 Store Reviews   $18.35 Go to Store Hydor THEO 50 Watt Heater If this item doesn't belong here, click Remove and help us keep our results accurate.   Gulf Aquaria   1 Store Reviews   $18.99 Go to Store HYDOR USA INC - THEO 50 WATT SUBMERSIBLE SHATTERPROOF HEATER 7" If this item doesn't belong here, click Remove and help us keep our results accurate.   Aquarium Garden   0 Store Reviews   $19.27 Go to Store Hydor THEO Heater 50 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $19.99 Go to Store Hydor Heater THEO UL 50 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   Aloha Aquariums   0 Store Reviews   $19.99 Go to Store Hydor Theo 50 Watt UL Listed Submersible Aquarium Heater If this item doesn't belong here, click Remove and help us keep our results accurate.   onlinepetdepot.com   0 Store Reviews   $20.98 Go to Store Hydor Theo 50 watt Shatter -Proff Submersible Heater If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $20.99 Go to Store Hydor THEO 50W SUBMERS HEATER If this item doesn't belong here, click Remove and help us keep our results accurate.   Pets Warehouse   0 Store Reviews   $20.99 Go to Store Theo 50 Watt Submersible Shatterproof Heater 7" If this item doesn't belong here, click Remove and help us keep our results accurate.   AllPetMall.com   0 Store Reviews   $22.87 Go to Store Hydor THEO Heater 50 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $22.99 Go to Store Hydor THEO Heater 50 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   MarineDepot.com   5 Store Reviews   $22.99 Go to Store Hydor THEO Heater 50 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   Fishy Business   0 Store Reviews   $22.99 Go to Store Hydor Usa 50 Watt Theo Ul Heater If this item doesn't belong here, click Remove and help us keep our results accurate.   StrictlyPetSupplies.com   0 Store Reviews   $23.86 Go to Store Theo Shatterproof Heater, 50W If this item doesn't belong here, click Remove and help us keep our results accurate.   Aubuchon Hardware   0 Store Reviews   $23.99 Go to Store HYDOR THEO HEATER 50W If this item doesn't belong here, click Remove and help us keep our results accurate.   Aquarium Center   0 Store Reviews   $24.99 Go to Store Theo Heater 50 Wattatt Ul If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $29.99 Go to Store Hydor Theo Submersible Heater 50 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $34.49 Go to Store Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Hydor Heaters Other Heaters internal use: spec361