The Berthoud Cosmos 18 Pro is a professional 18L knapsack sprayer engineered for durability, comfort, and consistent performance. Built for landscape contractors, grounds maintenance teams, and horticultural professionals, it combines robust construction with ergonomic design for long working hours in challenging environments.
With a wide 125mm filling opening, stainless steel bearings for leak-free sealing, and a sloped tank base to prevent fluid wastage, this sprayer ensures easy use and maximum efficiency. A built-in agitator keeps solutions mixed during pumping, while the strong aluminium lance and profile trigger assembly ensure reliable, precise spraying.
Features & Benefits
Large 18L Translucent Tank – Easy-to-read markings and a sloped base for complete emptying
Wide 125mm Opening – Easier filling, cleaning, and draining
Aluminium Lance with Profile Trigger – Strong, lightweight, and ergonomically designed
Integrated Agitator – Keeps contents mixed during operation
Left/Right Pump Lever – Fully reversible for user comfort
Applications
Herbicide and pesticide application in estates, parks, and gardens
Fertiliser, fungicide, and liquid treatment across turf, trees, and ornamental areas
Ideal for landscaping teams, groundskeepers, and horticultural specialists

Feature Details
Capacity 18 Litres
Tank Design Sloped bottom, translucent with markings
Filling Opening 125mm diameter
Lance Aluminium with Berthoud profile trigger
Agitator Yes – product agitation during pumping
Hose Braided 8mm ID × 12mm OD
Pump Lever Reversible (left/right hand use)
Seals Stainless steel ball bearings
Carrying Features Integrated handle & lance holder
Comfort Features Ergonomic fit, natural wrist positioning
Application Method Manual lever-operated
Suitable For Herbicides, pesticides, fertilisers, etc.