Gardena 11138-20 Backpack Sprayer

The Gardena Backpack garden sprayer 11138-20 is a professional-style handheld sprayer designed for small to medium garden tasks. It features a 5 L tank capacity in a compact black housing and is built for even application of liquid fertilizers, pesticides and herbicides. The unit includes adjustable shoulder straps and a pump mechanism that delivers a steady spray pattern for shrubs, beds and lawns.

Advantages

This backpack sprayer offers a balance of capacity and mobility with its 5-litre tank and ergonomic carrying system. The adjustable straps distribute weight to reduce fatigue during longer use. The sprayer provides consistent pressure for uniform coverage and efficient use of liquids, helping to avoid over-application. Its simple controls and serviceable components make routine maintenance straightforward.

Suitable for

• Applying liquid fertilizers to flower beds and vegetable patches
• Spot treatment of pests and insects on shrubs and trees
• Weed control using liquid herbicides on paths and borders
• General wetting and cleaning tasks in the garden

Key specifications

• Tank capacity: 5 litres
• Design: backpack-style with adjustable shoulder straps
• Material: durable plastic housing suitable for garden liquids
• Spray delivery: pump-actuated system for steady pressure
• Colour: black

How to use

Fill the tank with the required amount of water and garden treatment according to the product label, taking care not to exceed the 5 L capacity. Close the tank securely, adjust the shoulder straps and position the sprayer on your back. Operate the pump mechanism to build pressure, then direct the spray nozzle to the target area while maintaining a consistent walking speed for even coverage. After use, depressurise, empty any remaining liquid and rinse the tank and nozzle thoroughly with clean water.

Recommendations

Always follow the safety and dilution instructions provided by the chemical manufacturer. Wear appropriate personal protective equipment when applying pesticides or herbicides. Inspect seals and hoses regularly for wear, and perform routine cleaning after each use to prolong the service life of the sprayer.