The s15 sprayer from earthway is a ground driven push unit it takes all the fuss and effort out of spraying your lawns and flower beds in the spring summer and autumn and icy paths and driveways in the winter it is the little brother of the larger s25 earthway sprayer the s15 is capable of spraying up to 22 litres of herbicides pesticides fertilisers and de icing chemicals at a time and can cover between 3 300 and 8 800 square feet thanks to it39s adjustable nozzle high performance ge