Kärcher Flat-Fold Filter WD 4-6

Kärcher Flat-Fold Filter WD 4-6 – Compatible Filtration for Wet & Dry Vacuums

The Kärcher Flat-Fold Filter WD 4-6 is a replacement filter designed for Kärcher wet and dry vacuum cleaners. It captures fine dust and debris efficiently, maintaining strong suction performance over extended cleaning sessions.

• Flat-fold design increases surface area for higher dirt capacity and longer runtime between cleanings
• Compatible with Kärcher wet and dry vacuum models in the WD 4-6 series
• Easy to insert and remove — no tools required for filter replacement
• 24-month manufacturer warranty provides long-term reliability and investment protection

What Makes the Kärcher WD 4-6 Filter Stand Out

The flat-fold construction sets this filter apart from standard round filters by offering a larger filtration surface in a compact footprint. This means fewer interruptions to empty or rinse the filter during extended cleaning tasks.

Ideal for...

Homeowners and professionals who rely on Kärcher wet and dry vacuums for cleaning tasks that demand consistent suction power and fine dust capture — from workshop floors to vehicle interiors.

Application of the Kärcher WD 4-6 Filter

1. Remove the used filter from the vacuum's filter compartment
2. Tap out loose debris or rinse the filter under running water
3. Allow the filter to dry completely before reinserting
4. Insert the new flat-fold filter until it clicks into place