Clean your Dyson filter every month, or sooner if you see reduced suction
The filter in a Dyson vacuum traps dust and allergens as air passes through. Over time it clogs, and your vacuum loses power. Cleaning it takes five minutes and costs nothing — you do not need to replace it unless it tears or stops working after washing. Most Dyson models use the same method: tap out loose dust, rinse under cold water, and let it dry completely before putting it back.
A clogged filter is the most common reason a Dyson loses suction. If your vacuum suddenly feels weaker, check the filter first before assuming something is broken. You can clean it as often as you want without wearing it out, so there is no penalty for doing it more than once a month if you have pets or allergies.
Key Takeaways
- Remove the filter by twisting or unclipping it from the motor head, depending on your model — check your manual if you are unsure which.
- Tap the filter over a trash can to dislodge loose dust, then rinse it under cold running water until the water runs clear.
- Let the filter air-dry completely — at least four hours, or overnight — before reinstalling it, because a wet filter can damage the motor.
- Clean your filter monthly as routine maintenance, or when ready if suction drops suddenly.
- If the filter tears, has a hole, or does not regain suction after cleaning, you will need to replace it with a genuine Dyson filter.
Locate and remove the filter from your Dyson model
The filter location depends on which Dyson you own. On upright models like the V15 and V11, the filter sits in the motor head at the top of the machine. On cordless stick models, it is usually in the same place. On cylinder vacuums, the filter may be in the dust bin or mounted separately on the side.
Check your manual for the exact location and removal method. Most filters twist counterclockwise to unlock, but some clip in and out. If you have lost your manual, Dyson's website has PDF versions for every model number. Once you know how to remove it, the process becomes automatic.
Tap out loose dust over a trash can
Hold the filter over an open trash can and tap it gently on the sides and bottom. You will see a cloud of dust come out. Keep tapping until no more dust falls — this step removes the bulk of what is trapped in the pleats. Do not hit it hard or bang it on the edge, because the filter material is delicate and can tear.
This step alone often restores some suction, even before you rinse. If your vacuum has been losing power gradually, you may feel a difference right after tapping.
Rinse the filter under cold running water
Hold the filter under a cold tap and let water run through it. Rotate it slowly so water reaches all sides and the pleats. You should see dirty water pour out at first. Keep rinsing until the water runs clear, which usually takes one to three minutes. Do not use hot water, because heat can damage the filter material.
You can gently rub the outside of the filter with your fingers while rinsing, but do not squeeze it or scrub hard. The goal is to flush out trapped dust, not to scrub the material itself. If the filter is very dirty, you may need to rinse it twice.
Dry the filter completely before reinstalling
Shake off excess water and stand the filter upright on a clean towel or paper towel. Let it air-dry in a warm, dry place — a windowsill or shelf works well. Do not use a hair dryer or place it near a heater, because direct heat can warp the plastic frame. Most filters need four to eight hours to dry fully. Overnight is safest.
Never reinstall a damp filter. Water in the motor can cause electrical damage or mold growth inside the machine. If you are in a hurry and need the vacuum, clean the filter the night before so it is ready the next day.
Reinstall the filter and test suction
Once the filter is completely dry, twist or clip it back into place, depending on your model. Make sure it sits flush and locks securely. Turn on the vacuum and listen for normal motor sound. Suction should feel noticeably stronger than it did before cleaning.
If suction is still weak after cleaning and drying, the filter may have a tear or hole. Hold it up to a light and look through it. If you see any damage, the filter needs to be replaced. Dyson sells replacement filters for every model, and they cost between thirty and fifty dollars depending on the model.
When to replace the filter instead of cleaning it
A filter can be cleaned and reused many times, but it does wear out eventually. Replace it if you see a visible tear, hole, or permanent discoloration that does not rinse away. If the filter has been in use for two or more years and cleaning no longer restores suction, replacement is usually the answer.
Dyson filters are model-specific, so order the correct one for your machine. Check your model number on the machine itself or in your manual, then search Dyson's website or a retailer like Amazon to find the right replacement. Installation is the same as removal — twist or clip the new filter into place.
Frequently Asked Questions
Can I wash the filter with soap or cleaning solution?
No. Use cold water only. Soap leaves residue that can damage the motor or reduce suction. Cold water is enough to remove dust and allergens trapped in the pleats.
What happens if I use the vacuum with a wet filter?
Water can reach the motor and cause electrical damage or create mold inside the machine. Always let the filter dry completely — at least four hours — before turning the vacuum on.
How often should I clean the filter?
Clean it monthly as routine maintenance. If you have pets, allergies, or use the vacuum daily, clean it every two weeks. If suction drops suddenly between cleanings, clean it right away.
Is there a filter I can buy that does not need cleaning?
No. All Dyson filters trap dust and need regular cleaning to work properly. Cleaning is free and takes five minutes, so it is the most cost-effective way to keep your vacuum running at full power.
Can I buy a third-party filter instead of a Dyson filter?
Third-party filters exist, but Dyson filters are designed to fit your machine exactly and perform as intended. Aftermarket filters may not seal properly or may reduce suction. Genuine Dyson filters are the safest choice.