Bonnet Pro`s CarpetMax is the fastest encapsulation machine ever created. With the worlds fastest maintenance machine that is self-propelled, battery operated, with twin floating heads that will average 10,000 sq. ft. per hour. Surround Encaps are the most advanced products on the market! From Ultra with its excellent cleaning power and scent to Surround Free the first completely odorless super concentrate on the market. Surround is your best value in encapsulation detergents.