The Chapin Euro Style bleach knapsack sprayer is perfect to help clean mildew, algae or any type of mold removal and disinfectant. A 15.1 Litre translucent plastic tank has a 4-inch wide mouth opening for easy filling, cleaning, and checking fluid levels 2-Stage filtration system, one filter at the top and another filter at shut-off. Poly shut-off with 2 nozzles: poly fan, poly adjustable cone. Padded shoulder straps to accommodate a full backpack for hours. Viton seals and gaskets designed to handle a variety of chemicals including Fertilizers & Xylene thinners.