Discover the reliability and efficiency of the Hydor ETH External Heaters, designed to deliver optimal aquarium heating. Featuring the exclusive Positive Thermal Coefficient (PTC) technology, these heaters provide secure and efficient heating by automatically adjusting power output to maintain consistent water temperatures. Ideal for use with both canister filters and sump tanks, these heaters are a versatile addition to your aquarium setup.

Hydor's commitment to quality ensures a long-lasting product, carefully designed to mitigate risks associated with overheating, protecting your aquatic environment.

Key Features:

• Innovative PTC technology for precise and safe heating
• Compatible with canister filters and sump tanks
• Automatically regulates temperature to prevent overheating
• Available in various power settings for different tank sizes
• High-quality components ensure durability and performance

The Hydor ETH External Heaters offer peace of mind with their self-regulating PTC elements, making them a reliable choice for maintaining your aquarium's ecosystem. Their high compatibility and quality construction extend the life and effectiveness of your aquarium system, ensuring a comfortable habitat for aquatic life.

Specifications:

• ETH 200-12mm: 200W power, 12mm (1/2") hose compatibility, suitable for aquariums of 100 - 200L, compatible with Prime 10 filters
• ETH200-16mm: 200W power, 16mm (5/8") hose compatibility, suitable for aquariums of 100 - 200L, compatible with Prime 20 and Prime 30 filters
• ETH300-16mm: 300W power, 16mm (5/8") hose compatibility, suitable for aquariums of 200 - 300L, compatible with Prime 20 and Prime 30 filters