STAPAR Winter Windshield Washer Fluid –21 °C, 4 L (citrus, with funnel, ready to use)

Looking for a winter fluid that works reliably in freezing temperatures, quickly cleans your windshield, and leaves no streaks ? Choose STAPAR –21°C, 4 L. This ready-to-use winter fluid removes road salt, slush, and road film after just a few spray cycles. The included funnel facilitates clean and precise pouring – without splashing. Designed to operate down to –21°C , this product is suitable for standard windshield washer systems in passenger cars, vans, and trucks.

Why is it worth it?

• Reliable down to -21 °C – stable operation of the system on winter days.

• Fast cleaning – dissolves salt, slush and deposits, improving streak-free visibility.

• Ready to use – pour and go (no dilution).

• Citrus scent – ​​fresh and neutral in the cabin (a feature of the fragrance variant).

• Funnel included – convenient, clean fluid refilling even in tight spaces.

• Gentle on car parts – compatible with typical materials: paint, rubber, plastics.

How does it work?

The winter formula quickly degreases glass , breaking down typical winter dirt. This allows wiper blades to operate more smoothly , and visibility improves in just a few seconds. (Description of operation according to STAPAR winter screenwash standards).

How to use (step by step)

1. Turn off the engine and open the washer reservoir cap.

2. Install the included funnel and pour in the liquid without diluting .

3. Close the cap, turn on the sprayer and run a few cycles to flush the lines.

4. Check the level more often in winter – consumption increases due to salt and slush.

Tip: If there was summer fluid in the system, pump in a few portions of winter fluid to ensure the mixture achieves the proper frost resistance.

For whom?

• Drivers of passenger cars, vans and trucks .

• Fleets and workshops that need reliable performance in low temperatures.

• Users driving daily in the city and on the road .

Specification

• Brand: STAPAR

• Type: winter windshield washer fluid

• Form: ready to use

• Operating temperature: up to –21 °C

• Capacity: 4 L

• Fragrance: citrus (fragrance variant)

• Accessories: funnel included

• Application: autumn-winter / early spring season
  (Parameters –21 °C / 4 L / funnel confirmed in the manufacturer's materials).

Security and storage

• Flammable product – store tightly closed, away from fire and sunlight , out of reach of children.

• Avoid contact with eyes and skin; in case of spillage, wipe up and ventilate the area.

• Do not consume.

Recommended additions

Window/lock defroster – a faster start in the morning.

• New wiper blades – a clean, streak-free windshield is a duo: good fluid + working blades.

• STAPAR summer fluid – for replacement after the winter season.

• Interior glass cleaner – less steam and streaks from the inside.

FAQ – Winter windshield washer fluid 4L –21°C Citrus with funnel (STAPAR Ethanol)

1. What is the STAPAR –21°C winter windshield washer fluid used for?

Winter fluid protects the windshield washer system from freezing and effectively removes salt, slush, oil deposits, and road grime . Improves visibility when driving in winter.

2. Up to what temperature does the fluid work?

The fluid remains fully effective down to -21°C , which is suitable for typical winter conditions in Poland.

3. Is the liquid ready to use?

Yes. This is a ready-made product —no dilution required. Simply pour it directly into the windshield washer reservoir.

4. Can the fluid be mixed with other windshield washer fluids?

You can, but it's recommended to only mix it with other ethanol-based winter coolants . Mixing it with summer coolant or a different formula may reduce freeze protection.

5. What does it mean for a liquid to be "citrus"?

This means a pleasant citrus scent spreads throughout the car's interior when the windshield washer fluid is in use. This doesn't affect the fluid's effectiveness.

6. Does the fluid leave streaks on the glass?

No. Thanks to the ethanol formula, the fluid:

• evaporates quickly,

• does not leave streaks,

• improves the operation of wiper blades.

7. Is the fluid safe for paint, rubber and plastic?

Yes. STAPAR fluid is safe for paint, seals, hoses, and plastics used in the windshield washer system.

8. Can the funnel be reused?

Yes. The included reusable funnel makes it easy to pour the liquid into the tank and prevents spillage.

9. What to do if the fluid has frozen in the system?

It is recommended:

1. Place the car in a heated room or wait for the temperature to rise above freezing.

2. After defrosting, pour in new winter fluid -21°C.

3. Flush the system with several spray cycles.

10. Can I use the fluid in headlights with washers?

Yes – the fluid is compatible with headlight washer systems , including LED and xenon.

11. Why choose an ethanol-based fluid?

Ethanol liquids:

• evaporate faster,

• removes greasy deposits better,

• they do not leave white deposits,

• are more friendly to seals.

12. Can the liquid be used in autumn and spring?

Yes – especially when the temperature drops below zero and there is salt and slush on the roads.

13. Does the liquid remove insects and summer dirt?

Yes, although it was created for winter conditions, it also copes well with typical summer dirt thanks to its degreasing properties.

14. How long can the liquid be stored?

The fluid retains its properties for several seasons if stored:

• at positive temperatures,

• in original, tightly closed packaging,

• away from heat sources.

15. Does the product have antibacterial properties?

This isn't its function. The product focuses on frost protection and window cleaning .