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- The Marineland 75 Watt Visi-Therm Submersible Heater is perfect for freshwater and marine aquariums.
- 9.75 inches tall
- For aquariums up to 20 gallons
- Gives precise control to accurately set temp to + or - 1F with every "click"
- Advanced mounting bracket securely attaches to glass and provides 3 window positions to view temp display from multiple angles
- LED lights-up when heater is operating
- Easy-to-view sliding scale tells the exact temperature setting
- Double strength glass casing for extra durability