The 2‑Pack Karcher Foam Spray Bottles with Plug‑n‑Clean Detergent give you a fast, mess‑free way to add foam or cleaning solution to any K Series pressure washer. Each bottle holds 1 L of liquid, and the included brass spray head is built for high‑pressure use, so it lasts season after season.
Key benefits
– Adjustable nozzle – switch between a wide‑area foam spray and a narrow, high‑pressure jet for stubborn grime.
– Heavy‑duty brass construction – resists wear and prevents leaks, even under continuous use.
– Integrated feeding tube with end filter – keeps the line clear of debris and maintains steady flow.
– Universal Plug‑n‑Clean detergent (1 L) – a fast‑acting formula that dissolves dirt, speeds drying time, and leaves a brilliant shine on cars, patios, or outdoor furniture.
Designed as a direct replacement for the original Karcher FJ6 bottle, this kit offers better filtration and a larger capacity while fitting all K Series models (K2‑K7, including Premium). Installation is simple: remove the outer lid, then the inner stopper, and attach the bottle to your washer’s connector.
Whether you’re washing a vehicle, cleaning a deck, or creating thick snow foam for winter detailing, this combo delivers consistent performance and a professional finish without the hassle of separate detergent bottles.





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