For in-store pickup only and with stock varying by ZIP code, Lowe's offers the Briggs & Stratton Rotating Surface Cleaner, model no. 6178, for $49. Pad your order to over $50 (this Kobalt 2-Piece Screwdriver Set costs $1.98) and apply coupon code "47000LOWES9077S" to cut it to $39, excluding padding. That's tied with our May mention the lowest total price we could find by $27. This attachment is 12" wide and features rotating jets, overspray protection, and compatibility with gas pressure washers up to 3,000-psi.