Filter for Karcher FCV 4 stick vacuum, black/aluminium, 70×60×30 mm

The Duo!Pure multi-step filter system for the Karcher FCV 4 stick vacuum comprises a flat pleated filter and a sponge filter to provide reliable protection against moisture and maintain effective air filtration. The high-efficiency flat pleated element captures fine particles, helping to preserve suction performance. The replacement filter is supplied as a single black/aluminium unit sized 70×60×30 mm and is intended for routine maintenance to support cleaner air during home vacuuming.

Advantages

The two-stage Duo!Pure configuration combines a pleated filter for fine particulate capture with a sponge pre- or post-filter for moisture protection and larger debris retention. This arrangement reduces load on the main motor and helps preserve suction power while improving overall filtration efficiency. The compact single-piece design is easy to fit and replace.

Suitable for

• Replacement maintenance for Karcher FCV 4 stick vacuum
• Dry cleaning of hard floors, carpets and rugs (dry mode)
• Routine household vacuuming to maintain air quality

Key specifications

• Filter type: two-stage (flat pleated + sponge)
• Compatible vacuum type: stick vacuum
• Colour: black / aluminium
• Quantity: 1 piece
• Dimensions: 70 × 60 × 30 mm

How to use

Turn off and unplug the vacuum before replacing the filter. Remove the filter cover according to the FCV 4 user instructions, take out the used filter and insert the Duo!Pure replacement ensuring correct orientation. Reattach the cover and check that the unit is sealed before use. Replace the filter following the manufacturer’s recommended intervals or sooner if suction or filtration performance declines.

Usage recommendations

For best results, use this replacement filter for dry vacuuming modes and inspect the sponge element regularly for moisture or clogging; replace both elements as needed to maintain suction and indoor air quality.