Hydor Theo Shatterproof Aquarium Heater, 25-Watt & Ideal For 2 To 7 Gallon Fish Tanks, 7-Inches Long

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is submersible, anti-thermal shock, highly resistant and features a graduated scale for precise temperature regulation. It can be positioned horizontally or vertically. The Theo aquarium heater also features self-control limiting technology. So, if the fish tank heater senses abnormal functioning the patented PTC heating system guarantees completely safe operation in case of dry running.
Product Dimensions ‏ : ‎ 3.5 x 2 x 10 inches; 8 ounces
Item model number ‏ : ‎ T11702
Date First Available ‏ : ‎ August 18, 2004
Manufacturer ‏ : ‎ Hydor
ASIN ‏ : ‎ B0006JLPG8
Best Sellers Rank: #78,176 in Pet Supplies (See Top 100 in Pet Supplies) #142 in Aquarium Heaters
Customer Reviews: 3.9 3.9 out of 5 stars (1,333) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Hydor Theo 25-Watt Aquarium Heater is a fully submersible; shatter-proof glass aquarium heater ideal for 2-to-7-gallon fish tanks; measures 7 inches long
Maximum Safety Aquarium Heater; THEO fish tank heater is shock resistant thanks to the patented PTC heating element and the shatterproof glass tube
Free positioning in aquarium with supplied suction cups; The Theo aquarium heater can be placed in the fish tank vertically, horizontally and fully submerged
Self-Control Limiting Technology; If heater senses abnormal functioning patented PTC heating system guarantees completely safe operation in case of dry running
Great Fish Tank Heater for All Fish Tanks; Universal aquarium heater for use in fresh water or marine water fish tanks