Self-contained system features a plunger-style pump and a large reservoir for pre-mixed, noncorrosive liquid cleaning products, fertilizers, weed-killers, pest-control solutions and more, making it ideal for either pretreating carpets for scrubbing/extraction or treating plants, gardens, lawns or structural seams with various goals in mind. Ergonomic thumb-lock facilitates fatigue-free spraying. Removable foaming nozzle.