Solo 4 Gallon Diaphragm Backpack Sprayer 475-B
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The model 475 sprayer is capable of producing up to 60 psi with its rugged connecting rod actuated diaphragm pump. The diaphragm is made of top quality Viton for its resistance to harsh chemicals and abrasion. This diaphragm pump is ideal for handling chemicals in wettable powder form as well as liquid formulations.