Maintain the perfect fermentation temperature during colder months with the 11" x 11" Brewer's Heat Pad. This specialized heating element provides consistent, low-intensity warmth directly to the base of your carboy or fermenting bucket. Operating at 120V, it is designed to gently raise the temperature of your wort or must by 5-15°F above ambient room temperature, ensuring your yeast remains active and healthy. Constructed from high-durability, moisture-resistant polymer for safe use in the brewery.