Find the lowest price for:       All ProductsHeaters     2.8 (2)   Add a review Hydor Theo Shatter Proof Heater 400W   Theo Heater 400 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 Shatter Proof Heater 400W in 150 stores, 42 results found Image Description   Store   Price aquarium fish tank Emperor 400 filter Theo 200W heater If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay (auction)   3 Store Reviews   $11.5 (used) Go to Store Hydor Theo Ul Heater 400 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 400 watt Submersible Heater 400W If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $24.85 Go to Store THEO UL Heater 400W If this item doesn't belong here, click Remove and help us keep our results accurate.   Premium Aquatics   1 Store Reviews   $24.95 Go to Store hydor theo Heater 400W 15.5" Long 80-105 Gallons NIB If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $25.95 Go to Store THEO UL Heater 400W If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $25.99 Go to Store THEO Heater - 400W - UL Listed - 15 1/2 in. - up to 105 Gallon 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   $25.99 Go to Store Hydor Theo Heater 400 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   $26.29 Go to Store Hydor THEO 400 Watt Heater If this item doesn't belong here, click Remove and help us keep our results accurate.   Gulf Aquaria   1 Store Reviews   $26.99 Go to Store Hydor Theo 400 Watt Heater If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $26.99 Go to Store HYDOR USA INC - THEO 400 WATT SUBMERSIBLE SHATTERPROOF HEATER 15.5" If this item doesn't belong here, click Remove and help us keep our results accurate.   Aquarium Garden   0 Store Reviews   $28.34 Go to Store Theo Shatter-proof Aquarium Heater / Size (400 Watt) If this item doesn't belong here, click Remove and help us keep our results accurate.   GregRobert Pet Supplies   0 Store Reviews   $28.37 Go to Store Hydor Theo 400 Watt Heater If this item doesn't belong here, click Remove and help us keep our results accurate.   Allpetdepot.com   0 Store Reviews   $28.79 Go to Store Hydor Theo Submersible Heater-400 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   Big Al's Online   0 Store Reviews   $28.99 Go to Store Hydor Theo 400 Watt Heater If this item doesn't belong here, click Remove and help us keep our results accurate.   Aqua Buys   2 Store Reviews   $29.49 Go to Store Hydor Usa Inc Theo 400W Submers Heater If this item doesn't belong here, click Remove and help us keep our results accurate.   SHOP.COM   0 Store Reviews   $29.88 Go to Store NEW Hydor USA Inc Theo 400W Submers Heater If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $29.88 Go to Store Hydor Heater THEO UL 400 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   Aloha Aquariums   0 Store Reviews   $29.99 Go to Store THEO Heater 400W If this item doesn't belong here, click Remove and help us keep our results accurate.   everythingreptileinc.com   0 Store Reviews   $30.39 Go to Store Hydor Theo 400w Heater Aquarium Submersible NEW If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $30.99 Go to Store Theo 400 Watt Submersible Shatterproof Heater 15.5" - Hydor USA Inc If this item doesn't belong here, click Remove and help us keep our results accurate.   PetBlvd.com   0 Store Reviews   $31.27 Go to Store Hydor Theo 400 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   $32.45 Go to Store .Hydor THEO 400W SUBMERS HEATER If this item doesn't belong here, click Remove and help us keep our results accurate.   Pets Warehouse   0 Store Reviews   $32.45 Go to Store Hydor THEO Heater Anti-Shock Shatterproof 400w / 400 W If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $32.98 Go to Store Hydor THEO Heater 400 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $32.99 Go to Store Hydor THEO Heater 400 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   MarineDepot.com   5 Store Reviews   $32.99 Go to Store Theo 400 Watt Submersible Shatterproof Heater 15.5" If this item doesn't belong here, click Remove and help us keep our results accurate.   AllPetMall.com   0 Store Reviews   $33.87 Go to Store Theo 400 Watt Submersible Shatterproof Heater 15.5" If this item doesn't belong here, click Remove and help us keep our results accurate.   AllPetMall.com   0 Store Reviews   $33.87 Go to Store HYDOR THEO HEATER 400W If this item doesn't belong here, click Remove and help us keep our results accurate.   Aquarium Center   0 Store Reviews   $33.99 Go to Store Hydor THEO Heater 400 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $34.64 Go to Store Hydor THEO Fish Tank Aquarium Heater 400W Up to 105 gal If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $34.99 Go to Store Hydor THEO Heater 400 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   Fishy Business   0 Store Reviews   $34.99 Go to Store Theo Heater 400W (NEW) If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $35.99 Go to Store Hydor Usa Theo Ul Heater 400 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   StrictlyPetSupplies.com   0 Store Reviews   $36.21 Go to Store Theo Shatterproof Heater, 400W Clear If this item doesn't belong here, click Remove and help us keep our results accurate.   Aubuchon Hardware   0 Store Reviews   $37.49 Go to Store HYDOR THEO HEATER 400w NEW Aquarium Heater submersible If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $37.99 Go to Store Hydor Theo Shatterproof Heater Clear 400 Watt - T11502 If this item doesn't belong here, click Remove and help us keep our results accurate.   Underbid   0 Store Reviews   $40.16 Go to Store THEO 400W HEATER CLEAR 24 I#038021 If this item doesn't belong here, click Remove and help us keep our results accurate.   Bottings Online   0 Store Reviews   $43.58 Go to Store Hydor Theo Submersible Heater 400 Watt If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $44.49 Go to Store Theo 400 Watt Submersible Shatterproof Heater 15.5" If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $44.91 Go to Store HYDOR THEO 400W SUBMERS HEATER If this item doesn't belong here, click Remove and help us keep our results accurate.   Peticious.com   6 Store Reviews   $48.69 Go to Store Theo 400 Watt Submersible Shatterproof Heater 15.5". If this item doesn't belong here, click Remove and help us keep our results accurate.   Pet Crossroads Pet Supplies   0 Store Reviews   $67.63 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