Watch the commercial closely and youll see product ranks up there with clr and the clapper

Why would you use a big heavy fibreglass ladder to reach upstairs double hung windows that are easily opened and cleaned from the insideit says 60lb pressure go into the garden center of just about any store or even look right here on amazon and you can find similar if not the same hose end sprayer they show and theyre used for fertilizing and weed sprays