If you are using version ITC-306, please specify in the order notes that a larger outlet mount is required. Introducing the INKBIRD Thermostat Controller Bracket - the advanced, affordable, and extremely sturdy mounting solution for your INKBIRD thermostat controller. Designed with precision and attention to detail, this bracket ensures a clean and seamless fit for your controller, power unit, and temperature sensor. Why Choose Our Bracket? Perfect Fit: Specifically designed for the INKBIRD thermostat controller, ensuring a snug and secure fit. Color Variety: Available in a range of colors to seamlessly match the color scheme of your sump. High-Quality Material: 3D printed in high resolution using the best PETG filament, guaranteeing durability and longevity. Magnetic Strength: Features rubber-coated magnets for a firm grip. Stronger magnets can be used for glass up to 3/4″ thick. Package Details: Please note, the InkBird controller is NOT INCLUDED. Whether you're looking to upgrade your current setup or searching for a reliable mounting option, the INKBIRD Thermostat Controller Bracket is the ideal choice for aquarium enthusiasts.