Amazon offers the
Bosch 35mm 16-Foot Vacuum Hose, model no. VAC005, for $20.96. During checkout, it drops to
$16.77. Plus, Prime members bag
free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping adds $7.09.) That's the lowest total price we could find by $30. It fits the Bosch 3931 vacuum or any vacuum that has a standard 2-1/4" hose opening. Deal ends August 29.