Home Slickdeals Simpson 3400 PSI 2.5 GPM Gas Pressure Washer (Refurbished) $190 + Free... Slickdeals Simpson 3400 PSI 2.5 GPM Gas Pressure Washer (Refurbished) $190 + Free S/H w/ Prime By ARCOM - 12 April 2024 25 0 SHARE Facebook Twitter Go to the deal page: Simpson 3400 PSI 2.5 GPM Gas Pressure Washer (Refurbished) $190 + Free S/H w/ Prime