Protects 40-gallon holding tanks from freeze-ups down to –24°C through direct adhesive mounting on tank exterior. The 133.7W heating element draws minimal battery current (9.9 amps at 13.5V) while maintaining tank fluid temperature between 7–18°C through automatic thermostat control.

• Peel-and-stick installation with proprietary adhesive
• Automatic thermostat: activates at 44°F, deactivates at 64°F
• Panel dimensions 20 × 12 inches
• Low battery draw: 133.7W continuous