The best backpack sprayers make easy work of applying fertilizers, weed killers, & insecticides. We tested top picks—see how ...

FOAMING NOZZLE: ideal for heavier coverage, you actually use less product because it foams and there’s more accuracy in chemical placement because you clearly see where it’s going 1-GALLON ...

The Chapin brand has been known to ... Furthermore, the sprayer comes with five nozzles that include a foaming nozzle, an adjustable nozzle, an easy-to-clean filter for preventing clogging ...