Vitoli Sprayer Pump OK-30A is a spraying of agriculture chemicals and fertilizer for rice field, fruit farm, garden and vegetable farm. Vitoli Sprayer Pump OK-30 usage are to supply water and irrigate for upland and hillside, pressure of auto water supply system and source of water pressure controlling valve, wetting and temp adjusting of fine grain for paper works and yarn factories, deliver and recover for machining in processing plants and for leak-preventing test of switch, water valve and water faucet. Vitoli Sprayer Pump OK-30A also can be used to clean and disinfect for chicken coops, farms, food factories and restaurants, automobiles, motorcycle, fishing boats and machinery.