The Dramm corporation makes some of the horticultural industries finest products and we are proud to carry and offer them to you. Select from battery-operated portable units to rolling electrical units capable of holding up to 50 gallons of solution. Sprayers range in their volume capacities, psi, gallons per minute (gpm), hose length (up to 150 feet), and overall size, so there is a Dramm horticultural sprayer that is made for any size of greenhouse or growing operation.