
Product Overview
Key Features
- Cleaning solution for glass surfaces
- 500 millilitre capacity
- Compatible with select window vac models
- 65 x 65 x 210 millimetre dimensions
Key Specifications
- Brand:
- Karcher
- Model Number:
- 6.295-890.0
- Type:
- Cleaning Solution
- Compatible Products:
- KV 4 Cordless, WV 1 Plus, WV 2 Black Edition, WV 2 Bundle, WV 2 Plus N, WV 5 + KV 4 Bundle, WV 5 Bundle, WV 5 Plus N, WV 5 Plus N Battery, WV 5 Premium, WV 6 Bundle, WV 6 Plus
Capacity
- Capacity (L):
- 0.5
General Information
- Colour:
- Black
Capacity
- Capacity (L):
- 0.5
Product Dimensions
- Product Height (mm):
- 210
- Product Width (mm):
- 65
- Product Depth (mm):
- 65
Box Dimensions
- Box Height (mm):
- 210
- Box Width (mm):
- 65
- Box Depth (mm):
- 65
- Box Weight (kg):
- 0
Product Reviews of Karcher Glass Cleaner Concentrate for Window Vac

Overall Rating Snapshot
4.8 out of 5 stars from 14 reviews
93% of users recommend this product
What customers say, summarised by AI
- Delivers a reliable, streak-free finish on windows and glass surfaces.
- Easy to use and complements the Karcher window cleaner perfectly.
- Removes the effort from cleaning, producing a polished result quickly.
- Versatile for use on mirrors, glass tables, and outdoor PVC blinds.
- Offers a cost-effective alternative to professional window cleaning.
- Outperforms other products when paired with the Karcher cleaning machine.
Pros
Anonymous
Confirmed purchase 15 December 2025
Published on 7 January 2026
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Easy sparkle additive.
Definitely worth using with your Karcher window cleaner. Easy to add for a brilliant window clean. Might have to mark the window haha as it brings the outside into your room
Karen H
Confirmed purchase 22 November 2025
Published on 4 January 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Cleaning Windows
For streak free glass and windows this is the optimum cleaner. Very easy to use with the Karcher window cleaner and no mess.
Lesley Secomb
Confirmed purchase 3 December 2025
Published on 31 December 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Perfect pairong
Pair this window cleaner with your window cleaning tool and you’ll never pay to have windows cleaned ever again
Sharon Morgan
Confirmed purchase 6 November 2025
Published on 3 December 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Good product to go with the window cleaner
Good product to go with the window cleaner works well.
LYam
Confirmed purchase 7 September 2025
Published on 1 October 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Streak free finish
This product leaves a streak free finish ehen used together with the Karcher window
Angela
Confirmed purchase 29 July 2025
Published on 20 August 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Karcher Window cleaner liquid
Excellent product .... we get streak free window and pool glass We have tried all sorts of product and the combination of the Karcher cleaning machine and the Karcher specific cleaning fluid gets an amazing result
Annette Wolter
Confirmed purchase 3 May 2025
Published on 27 May 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Great product
Makes the extra difference
Fi
Confirmed purchase 23 January 2025
Published on 19 February 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Great product
Takes all the effort out of cleaning windows
Bev
Confirmed purchase 4 August 2023
Published on 2 November 2023
Yes, I recommend this product.
Check out what this reviewer thought after the first 3-6 months.
Ben
Confirmed purchase 23 September 2023
Published on 14 October 2023
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
You've viewed 10 of 14 reviews
The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.
At a glance
A 0.5 L concentrated glass cleaner made for Karcher Window Vac users who want a reliable everyday solution for windows, mirrors and other glass surfaces. It suits households wanting streak-free cleaning and flexible manual use, with good performance on grease and outdoor grime. The main limitation is that it is a concentrate, so it needs dilution before use rather than offering ready-to-spray convenience.
What it’s great for
- Routine glass cleaning
- Window Vac use
- Mirror cleaning
- Kitchen glass maintenance
- Bathroom glass maintenance
- Cleaning glass tables
Where it works best
- Home
- Kitchen
- Bathroom
- Living areas
- Interior glass surfaces
- Exterior windows
Who it’s for
- Households
- Karcher Window Vac owners
- Renters
- Home cleaners
- Busy families
Things to consider
This is a general glass cleaner concentrate rather than a specialist heavy-duty stain remover, so it may be less convenient than ready-mixed premium alternatives for quick spot cleaning.
Pet & child home suitability
Suitable for general household glass cleaning when used and stored as directed, though it is best kept out of reach and diluted before use.
Stain removal effectiveness
7/10 - works well on common glass marks such as grease, insects and emissions, but it is not a specialist stain treatment.
Ease of application
8/10 - simple to use with compatible Karcher Window Vac models or for manual cleaning, with only the extra dilution step to consider.
Odour removal score
4/10 - intended mainly for cleaning and clarity on glass surfaces rather than targeted odour removal.
Key benefits
- 0.5 L Concentrate: Gives you a practical amount of cleaner for multiple diluted cleaning sessions.
- Window Vac Compatibility: Designed for use with multiple Karcher Window Vac models for straightforward pairing with existing equipment.
- Manual Cleaning Use: Can also be used without a Window Vac for flexible day-to-day glass cleaning around the home.
- Streak-Free Focus: Formulated to help leave windows, mirrors and glass tables looking clearer after cleaning.
- Grease Removal: Helps cut through greasy marks commonly found in kitchens and on frequently touched glass.
- Outdoor Grime Cleaning: Effective against insects and emissions that can build up on exterior glass.
- Dilute-As-Needed Formula: Lets you mix the amount needed for each cleaning task to suit light or larger jobs.
- Compact Bottle Format: The 210 cm high bottle profile stores neatly in household cupboards between uses.
Q: Which Karcher Window Vac models can use this concentrate?
A: It is listed for KV 4 Cordless, WV 1 Plus, WV 2 Black Edition, WV 2 Bundle, WV 2 Plus N, WV 5 + KV 4 Bundle, WV 5 Bundle, WV 5 Plus N, WV 5 Plus N Battery, WV 5 Premium, WV 6 Bundle and WV 6 Plus. Other models are not listed as compatible.
Q: Can I use this glass cleaner without a Karcher Window Vac?
A: Yes. This concentrate can also be used for manual glass cleaning, so it suits routine jobs on windows, mirrors and similar smooth surfaces. It is formulated for glass care rather than deep carpet stains or heavy-duty upholstery cleaning.
Q: Does the 0.5L bottle need diluting before you clean windows?
A: Yes. Karcher Glass Cleaner Concentrate for Window Vac is a concentrated cleaning solution, so it is intended to be diluted before use rather than poured on straight from the bottle. That also makes it easier to mix only what is needed for each cleaning session.
Q: Will this work on pool glass, mirrors and glass tables?
A: Yes. Karcher Glass Cleaner Concentrate for Window Vac is designed for glass surfaces including windows, mirrors and glass tables, so it suits indoor and outdoor household glass cleaning. It is best on smooth surfaces, not absorbent fabrics or carpet.
Q: Can it cut through greasy marks and outdoor grime on windows?
A: Yes. This formula is designed to tackle greasy marks, insect residue and emissions on glass, which makes it a practical choice for exterior windows and other exposed glass surfaces. It is for cleaning and clarity, not scratch removal or glass repair.
Q: Is this cleaner suitable for carpet stains or upholstery marks?
A: No. This is a glass cleaning solution made for windows and other smooth glass surfaces, so it is not the right choice for deep carpet stains or heavy upholstery cleaning. Buyers needing fabric stain treatment should choose a product made for textiles.









