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Stone Banks Snow Foam Gun for Kärcher K Series1 / 7
Product guide

Stone Banks Snow Foam Gun for Kärcher K Series

Stone Banks’ K Series snow foam gun is a pressure-washer attachment listed for Kärcher K2–K7 machines. It has a 1L bottle, an adjustable foam control and a nozzle that switches between a fan and a concentrated jet. Customer feedback is favourable overall, but reports of fit and adjustment vary, so confirm compatibility with your exact washer before buying.

At a glance

  • The top control adjusts foam concentration, while the rotating nozzle changes between a concentrated jet and a fan spray.
  • The listing describes a 1L bottle and compatibility with Kärcher K2 through K7 pressure washers.
  • The manufacturer recommends mixing car shampoo and water at a 1:4 ratio, using warm water for best results.
  • The manufacturer advises rinsing the foam pot with clean water after use to help prevent clogging.
Price
£13.99Save 22%

Reference price: £17.99

Price checked: 12 Nov 2026

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Often bought together

Pros and cons

Pros

  • Two separate adjustments let users change foam concentration and spray shape for different cleaning tasks.
  • The 1L capacity gives room for shampoo solution when washing a car, patio or other listed exterior surfaces.
  • Customer feedback describes good foam coverage on cars and generally positive impressions of construction and ease of use.

Technical specifications

18 specifications
Identity
BrandStone Banks
Model7b3feed7-4260-4d2b-9a4c-e1abb464cbd1
Materials and construction
Material listedMetal
Construction describedhigh-strength engineering plastic and reinforced brass
Capacity and operation
Bottle capacity34 ounces (1L).
Working pressure rating100–220 Bar(1400–3190 PSI).
Pressure range100bar ~ 220bar (1400psi ~ 3200psi), suit home and professional pressure washers.
Foam adjustmentThe top knob of the snow foam lance can adjust the foam concentration.
Spray adjustmentThe adjustable spray nozzle can adjust the spray shape from pencil to 60° fan.
Connections and compatibility
Compatibility statedCompatible with KARCHER K2/K3/K4/K5/K6/K7 pressure washers.
Inlet connection typeBeard
Outlet connection typeBarb
Thread typePush Fit
Number of ports2
Other listed details
Maximum operating pressure3200 Pound per Square Inch
Exterior finishBrass
Valve typePinch Valve
Specification metCE, RoHS

What to know before buying

Listing details to confirm

The listing details are inconsistent: the title names K2–K5, while feature text and other product copy claim K2–K7 compatibility. Pressure is given as 100–220 Bar(1400–3190 PSI), 100bar ~ 220bar (1400psi ~ 3200psi), and a maximum operating pressure of 3200 Pound per Square Inch. The material is listed as Metal, while the construction description also mentions plastic, brass, a stainless-steel nozzle and a polyethylene bottle. Connection entries say Beard, Barb and Push Fit, and the listed spray descriptions differ. Confirm the exact connector, washer fit and operating limits before purchase.

What’s in the box

Included
  • Foam lance
  • 1L bottle

Who is it for?

A good fit for

  • Kärcher K-series owners seeking a bottle-fed snow foam attachment for car washing or exterior cleaning, provided the exact washer model and connector are confirmed.
  • Buyers who want to vary foam concentration and switch between a narrow jet and a fan spray.

Less suited to

  • Anyone who needs assured compatibility with a particular Kärcher model without first checking the connector and fit.
  • Buyers who need one clearly stated material or pressure limit, as the listing gives differing descriptions.
Stone Banks Snow Foam Gun for Kärcher K Series · photo 2
Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 2,931 ratings
  • 5 stars72%72%
  • 4 stars14%14%
  • 3 stars7%7%
  • 2 stars2%2%
  • 1 star5%5%

Customer feedback highlights positive impressions of foam coverage on cars, construction, ease of use and value. Fit and adjustability are more mixed, with some reporting compatibility problems on particular Kärcher models and differing experiences controlling foam output. That matters here because model compatibility is claimed broadly but described inconsistently, and the lance relies on its adjustments for spray and foam control.

Positive themes

  • Customers describe good foam coverage on cars and generally favourable construction and ease of use.

Mixed feedback

  • Fit is mixed, with reports of compatibility issues on some specific Kärcher models.
  • Adjustability is mixed, with some finding foam output easy to control and others finding it difficult.

Frequently asked questions

Which Kärcher pressure washers is this foam gun listed for?

The title specifies K2, K3, K4 and K5, while other listing text claims compatibility through K7. Because these details conflict, check the connector and fit for your exact washer.

Can the foam and spray be adjusted?

The listing describes a top knob for foam concentration and a rotatable nozzle for changing the spray from a concentrated jet to a fan. Customer feedback on how easy the adjustment is varies.

How should the bottle be filled?

The manufacturer recommends a mix of 20% car shampoo and 80% water, with warm water suggested for best results.

How should the foam gun be cleaned after use?

The manufacturer recommends flushing the foam pot with clean water until the spray runs clear to help prevent shampoo residue from clogging it.

Stone Banks Snow Foam Gun for Kärcher K Series · photo 3
Additional product photo 3

Alternative options

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