Welch Vacuum 2047 Dryfast & Dryfast Ultra User Manual | Page 16 / 18 | Original mode | Also for: 2044 Dryfast & Dryfast Ultra, 2042 Dryfast & Dryfast Ultra, 2037 Dryfast & Dryfast Ultra, 2034 Dryfast & Dryfast Ultra, 2032 Dryfast & Dryfast Ultra, 2014 Dryfast & Dryfast Ultra