Lowe's offers the Shop-Vac 14-Gallon 4.5HP Wet / Dry Vacuum, model no. 5851511, for $39. Choose free in-store pickup to dodge around $65 in delivery fees. That's $50 off, tied with our Black Friday mention of a shipped unit, and the lowest price we could find. Sales tax is added where applicable. It features a 4.5-horsepower (peak) motor, hose and attachments, and more.