The Dyson PencilWash is down to its lowest price ever for Prime Day

Dyson’s PencilWash cordless hard floor cleaner is on sale for $199.99 ($150 off) at Amazon. This is the lowest price yet for the powered wet mop that’s a cousin to the silly-sounding-but-awesome Dyson PencilVac Fluffycones vacuum.

The PencilWash basically takes the sleek styling and design of…