The 20-litre manual knapsack sprayer is a reliable agricultural tool designed for effective spraying in farms, gardens, and plantations. It features a durable 20L tank that provides sufficient capacity for extended spraying sessions without frequent refilling. The manual pumping system allows the user to build and maintain consistent pressure for even spray distribution. It is commonly used for applying pesticides, herbicides, fungicides, and liquid fertilizers to crops. The backpack design ensures comfortable carrying, with adjustable straps that help distribute weight evenly across the shoulders and back. Its nozzle system is designed to produce a fine and controlled spray pattern for maximum coverage and efficiency. The sprayer is built using chemical-resistant materials that ensure durability and long service life. It is easy to operate and maintain, making it suitable for both small-scale farmers and commercial agricultural users. The design helps reduce manual effort while improving productivity in field operations. Overall, it is a practical and efficient solution for routine agricultural spraying and crop management tasks.