Clean your Dyson filter every month, or when the red light appears on the machine

A clogged filter is the most common reason a Dyson cordless vacuum loses suction. The filter traps fine dust and particles, and when it fills up, air cannot flow through the motor. Dyson recommends cleaning the filter every month during normal use, or when ready when you see a red light or hear a warning tone on your machine. A clean filter takes about five minutes and requires only water and a soft brush — no special tools or cleaning products.

The filter sits inside the clear dust bin on top of the vacuum. You do not need to take the machine apart or remove any screws. Once you know where it is, the whole job becomes straightforward.

Key Takeaways

  • Remove the dust bin by pressing the release button on the back of the bin and pulling it straight down.
  • Tap the filter gently over a trash can to dislodge loose dust, then rinse it under cool running water until the water runs clear.
  • Never use hot water, soap, or a washing machine, as these damage the filter material and void the warranty.
  • Let the filter air-dry completely — at least four hours, or overnight — before putting it back in the vacuum.
  • If the filter is torn, stained permanently, or does not restore suction after cleaning, it needs to be replaced with a genuine Dyson filter.

Locate and remove the filter from your Dyson

The filter is housed inside the clear dust bin that sits on top of your cordless Dyson. To access it, hold the vacuum upright and look for the release button on the back of the bin — it is a small button or lever, depending on your model. Press or slide this button and pull the bin straight down. The bin will separate from the motor head.

Once the bin is off, look inside the top of the bin. You will see a cylindrical or pleated filter attached to the underside of the lid. It is usually white or gray and looks like a small accordion or honeycomb. Twist the filter counterclockwise (or pull it straight down, depending on your model) to release it from the lid. Set the filter aside and empty any remaining dust from the bin into the trash.

Tap out loose dust before rinsing

Hold the filter over a trash can or outside, and tap it gently on the sides and bottom. This dislodges the bulk of the dust trapped in the pleats. Do not hit it hard or bang it against a hard surface — the filter material is delicate and can tear. A few light taps will release most of the loose particles.

If you see a thick layer of dust caked on the filter, a soft brush can help. Use an old toothbrush or a soft-bristled cleaning brush and gently brush the pleats from top to bottom. Work in the direction of the pleats, not against them. This step is optional but helpful if the filter has not been cleaned in a while.

Rinse the filter under cool running water

Hold the filter under a cool tap and let water run through it from the inside out. This pushes dust out through the pleats rather than deeper into them. Rotate the filter as you rinse so water reaches all sides. Continue rinsing until the water runs clear — this usually takes one to two minutes. You should see a noticeable difference in water clarity by the end.

Do not use hot water, as heat can damage the filter material and reduce its effectiveness. Do not use soap, detergent, or any cleaning product — water alone is all you need. Never put the filter in a washing machine or dishwasher, even on a gentle cycle. These methods will void your Dyson warranty and ruin the filter.

Dry the filter completely before reinstalling

After rinsing, gently shake off excess water and stand the filter upright on a clean towel or paper towel. Let it air-dry at room temperature for at least four hours, or overnight if possible. Do not use a hair dryer, oven, or any heat source to speed up drying — heat damages the filter material. The filter must be completely dry before you put it back in the vacuum, or moisture can harm the motor.

You can tell the filter is dry when it feels light and no moisture comes out when you squeeze it gently. Once it is fully dry, twist it clockwise back onto the lid of the dust bin (or push it straight up, depending on your model) until it clicks into place. Reattach the dust bin to the motor head by sliding it up until you hear or feel it lock.

When to replace the filter instead of cleaning it

A filter usually lasts six to twelve months with regular monthly cleaning, depending on how often you use the vacuum and what you clean. If you notice any of these signs, the filter needs to be replaced rather than cleaned: visible tears or holes in the material, permanent staining or discoloration that does not rinse away, or a musty smell that does not disappear after drying.

You can order a genuine Dyson replacement filter from the Dyson website, Amazon, or most retailers that sell Dyson vacuums. The filter number varies by model — check your vacuum's manual or the Dyson website to find the correct part number. Third-party filters are cheaper but often do not fit as well or filter as effectively, so a genuine Dyson filter is worth the cost.

Troubleshoot if suction does not improve after cleaning

If you cleaned the filter and the red light is still on or suction is still weak, the problem may be elsewhere. Check the dust bin itself — if it is full or nearly full, empty it completely. A full bin blocks airflow just as much as a clogged filter. Also check the air pathway from the bin to the motor head for any blockages or debris.

Another common cause is a clogged brush bar or intake port. If dust has built up around the brush roll or in the opening where air enters the motor, suction will suffer even with a clean filter. Refer to your Dyson manual for instructions on clearing these areas. If you have cleaned the filter, emptied the bin, and cleared any visible blockages and suction is still poor, the filter may be damaged internally or the motor may need service — contact Dyson support for guidance.

Frequently Asked Questions

Can I wash the filter with soap and water?

No. Soap and detergent leave a residue that clogs the filter material and reduces suction. Use only cool water. Soap also voids the Dyson warranty, so stick to water alone.

How long does the filter take to dry?

At least four hours at room temperature, or overnight to be safe. Do not use heat or a dryer. The filter must be completely dry before you use the vacuum, or moisture can damage the motor.

What if the filter has a hole or tear in it?

A torn filter cannot be repaired and will not filter properly. You need to replace it with a new genuine Dyson filter. Continuing to use a damaged filter can allow dust to reach the motor and cause long-term damage.

Do I need to clean the filter if the red light is not on?

Yes. Dyson recommends cleaning the filter every month even if the light has not appeared. Regular cleaning keeps suction strong and extends the filter's life. Waiting for the red light means the filter is already quite clogged.

Can I use a vacuum to suck dust out of the filter instead of rinsing it?

You can tap and brush the filter to remove loose dust, but rinsing is more thorough. A vacuum will not reach dust deep in the pleats the way water does. Rinsing takes only a minute and is the most effective method.