Hydor Betta Bowl Slim Fish Tank Heater, 7.5-watt, measures 3.5 inches round, black; For tanks 2-5 gallons

Betta slim heater helps guarantee your fish a healthy life by promoting the ideal water temperature. Specially designed with the innovative positive thermal coefficient element to heat the temperature of your bowl, aquarium or terrarium an average of 5 to 10-degree warmer than room temperature. Whether it’s a glass, plastic or acrylic tank with fresh or salt water, this product is great for creating a more livable environment for your Betas, Glowfish and many other kinds of fish and reptiles.
Product Dimensions ‏ : ‎ 3 x 0.25 x 3 inches; 3.2 ounces
Item model number ‏ : ‎ T20101
Date First Available ‏ : ‎ November 10, 2011
Manufacturer ‏ : ‎ Hydor USA, Inc.
ASIN ‏ : ‎ B006JVQ67K
Best Sellers Rank: #84,219 in Pet Supplies (See Top 100 in Pet Supplies) #156 in Aquarium Heaters
Customer Reviews: 4.0 4.0 out of 5 stars (933) 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); } }); });
The Slim heater will increase the water temperature of mini aquariums up to 10 gallons by a few degrees compared to the ambient room temperature. The Slim heater can be used in glass, acrylic, plastic fish bowls and aquariums. Safe to use under gravel. Please note, Slim heaters are not suitable to be used in environments without water
Extra small slim heater is a great choice for Betta fish & suitable for fish tanks 2 to 5 gallons, measures 5.4L x 2.5W inches, 7.5 watt; Plug and Play universal fish tank heater; No temperature to set; slim heater provides warmth for betta fish without taking up much room
Heater can easily be placed submerged in water or even under the tank gravel; The 90 degree angle makes this great for Betta acquariums; Safe to use in glass, plastic and acrylic fish tanks
Plug & play universal fish tank heater, the slim fish tank heater can be used in both fresh or saltwater environments
Easy to hide fish tank heater is ideal to use for betta fish, gold fish and glow fish