... We provide kinds of Sprayers, Including gasoline sprayer(Power Sprayer), portable sprayer, Dynamoelectric Sprayer, knapsack manual sprayer, pressure sprayer and trigger sprayer.As our main products, knapsack sprayers ... have Safety valve to prevent electric sprayer, power spryaer, potable sprayer and gasoline sprayer's pump from overloading.4. Wide Filler Opening: 115mm-125mm opening ...