Experience unparalleled temperature control with the Hydor Theo Shatterproof Heaters. Engineered to provide precise thermal regulation, this heater is built for safety and durability, offering peace of mind for both novice and experienced aquarists. With its submersible design and advanced shatterproof technology, it withstands the challenges of aquatic environments, ensuring stable and accurate temperature maintenance across a variety of tank sizes.

Specifically crafted from high-quality materials, the Hydor Theo heaters feature no thermal shock capabilities and boast high-impact resistance. With a user-friendly graduated scale, these heaters allow for both vertical and horizontal installation, providing versatile positioning options to optimise tank space and water flow efficiency.

Whether used in smaller tanks or expansive aquariums, the Hydor Theo delivers consistent performance.

Key Features:

• Submersible design with advanced shatterproof technology
• Accurate temperature control with no thermal shock
• High-impact resistance for long-lasting performance
• Versatile vertical and horizontal positioning
• Graduated scale for precise temperature setting

Embrace reliable and efficient heating solutions with the Hydor Theo Shatterproof Heaters, suitable for various aquarium sizes—ensuring your aquatic inhabitants thrive in a stable environment.

Specifications:

• Theo 25W: Power: 25W, Length: 17.8cm, For aquarium size: 10 - 25L
• Theo 50W: Power: 50W, Length: 17.8cm, For aquarium size: 20 - 50L
• Theo 100W: Power: 100W, Length: 22.6cm, For aquarium size: 50 - 100L
• Theo 150W: Power: 150W, Length: 30.6cm, For aquarium size: 90 - 150L
• Theo 200W: Power: 200W, Length: 30.6cm, For aquarium size: 100 - 200L
• Theo 300W: Power: 300W, Length: 39.4cm, For aquarium size: 200 - 300L