DeWalt 20V MAX Cordless Wet/Dry Vacuum
This vacuum operates with an 18V or 20V MAX* battery or an AC outlet. It features a HEPA-rated filter that traps dust with 99.97% efficiency at 0.3 microns. It has a 2-gallon tank capacity suitable for emptying toilets or clogged pipes. The price drops from $195 to $139 w/ free shipping.