We have two (2) industrial circulation-type engine pre-heaters for sale. They are brand new with their original packaging, never been used. Specs Dimensions: 177/8" x 31/8" x 35/8" * Weather-resistant cast aluminum construction * Built-in high temperature thermostat to prevent overheating of the element $100 each OBO. Items are sold as is. No returns, refunds, or warranties.