Hagen Fluval M 200 Watt Submersible Aquarium Heater Unique reflective technology goes into each Fluval M Series Aquarium Heater. This advanced feature helps your heater “vanish” into your aquascape. Other features include an easy-to-adjust temperature control dial, shock-resistant glass to help prevent breakage, and a 3-year warranty. Specifications: * UNIT SIZE: 13 in. long * WATTS: 200 * CORD LENGTH: 6 ft. * TEMP RANGE: 66 to 86 degrees * AQUARIUM TYPE: Fresh and Saltwater * MAXIMUM TANK SIZE: Up to 65 gallonsHagen Fluval M 200 Watt Submersible Aquarium Heater Unique reflective technology goes into each Fluval M Series Aquarium Heater. This advanced feature helps your heater “vanish” into your aquascape. Other features include an easy-to-adjust temperature control dial, shock-resistant glass to help prevent breakage, and a 3-year warranty. Specifications: * UNIT SIZE: 13 in. long * WATTS: 200 * CORD LENGTH: 6 ft. * TEMP RANGE: 66 to 86 degrees * AQUARIUM TYPE: Fresh and Saltwater * MAXIMUM TANK SIZE: Up to 65 gallonsProduct code: 1695Item No. HE-A784