Do I need to replace my Shark HEPA filter?

Author: Prof. Myriam Goodwin Sr.  |  Last update: Saturday, January 17, 2026

Foam and felt filters might need frequent cleaning and occasional replacement, especially in demanding environments. HEPA filters, known for capturing tiny particles, generally last longer but should be checked and replaced annually or even every six months under heavy use conditions.

How often should you change Shark HEPA filter?

The HEPA filter provides efficient filtration of dust and allergens. We recommend replacing the HEPA filter every six months.

How long do Shark HEPA filters last?

The big selling point of the Never Change Max is that, with minimal maintenance, the multilayer HEPA filter will last up to five years.

Can Shark HEPA filters be washed and reused?

All of the filters that come with your Shark vacuum, including HEPA filters on models that include them, can be cleaned or washed for re-use."

How do you know if a HEPA filter needs replacing?

Your HEPA filter will have heavy clumps of dirt and dust and it'll look black if it's dirty. That's an indication that your filter needs cleaning or replacement. A HEPA filter should be changed every year, pre-filters last 30 days and carbon filters can last three to six months.

How to Clean your NEW Shark Vacuum Cleaner 2023

How to tell if a HEPA filter is dirty?

Dust and Dirt Build Up

This is probably the most obvious visual sign there is. The vents in your HVAC system or on your filtration unit will show a clear buildup of dust and dirt. So, not only will your HEPA filters need to be replaced, you'll need to clean the vents, too.

Can you clean HEPA filter instead of replacing?

Non-washable HEPA filters are designed for replacement rather than cleaning. Follow the manufacturer's guidelines, and if your filter is not washable, consider replacing it according to the recommended schedule.

Should I leave my Shark air purifier on all the time?

Yes, you can leave the air purifier running all the time, but it'll shorten the lifespan of the HEPA filter. If you leave the unit on all the time, Shark recommends using the auto mode, which activates eco mode.

Can HEPA filters be vacuumed and reused?

HEPA filters can be vacuumed, but in the process, the HEPA filters are designed to trap particles up to 99% accuracy; this means that it's near impossible to vacuum all of the remaining particles and bacteria from the filter. You may end up damaging the filter by washing it, as it is extremely fragile.

Do Shark HEPA filters need to be replaced?

* REPLACE FILTERS: Purchase replacement filters every 6-12 months, based on continuous use. Genuine HE2FKPRO Shark Filters ensure your air purifier will function and filter properly—off-brand filters can lead to lower reliability and cause damage.

Do HEPA filters lose effectiveness over time?

Specialists are clear: If the air purifier isn't regularly maintained, it loses effectiveness and can become a source of air pollution itself! Here are some things to know about maintaining air purifiers with HEPA filters: The pre-filter usually needs to be cleaned every 3 to 4 weeks.

Why is my Shark never change air purifier stuck on 0?

For those who are dealing with 0%, it looks like the sensor is clogged in the back just above the QR sticker. You'll need a small toothpick or straw that can fit in the grill hole and poke it slightly. It will remove a piece of dust that is blocking the sensor.

Should you replace Shark filters?

Shark typically provides specific guidelines on how often you should replace your vacuum filters. While these recommendations can vary based on the model and use, a general rule of thumb is to check your filters every three months and replace them as needed.

Should I run my HEPA filter all day?

Many people think that switching it off during the night or when they're not present is a logical energy-saving measure, but it is recommended to keep it running constantly. Once you turn off your air purifier, the air quickly becomes contaminated again with mold, dust, dander, and other pollutants present in the air.

Do air purifiers run up your electric bill?

Regardless of where you live, the good news is, air purifiers do not use a lot of electricity to operate.

How often should you change HEPA filter in Shark vacuum?

Clean filters regularly for optimal performance. Normal usage is between 4 - 6 hours a week. Pre-Motor Foam & Felt Filters: Under normal usage, rinse clean every 3 months. Post-Motor HEPA Filter: Under normal usage, rinse clean every year or as needed.

How to know when an air purifier filter is bad?

Your home or office is looking dustier than usual. You see more pet dander moving around. Your air purifier is making unusual noises. Your air purifier doesn't seem to be working properly.

Can you wash a HEPA filter in a vacuum?

You can rinse the filter in water, tap excess dust off of it or remove some dust with a vacuum, but this can definitely damage the mesh of fibers that allows the filter to remove particles from the air. Even if the filter looks undamaged, some of the fibers will be broken or stretched out.

Can Shark air purifier filters be washed?

Make sure to survey your environment and remove anything that could be causing low air quality. No, the filter is not washable. Keep filter away from water and dispose of it when it is dirty. We recommend replacing your filter every 6-12 months.

Can a HEPA filter be washed and reused?

HEPA filters usually can't be washed because the water ruins the HEPA filter's structure and lowers its efficiency.

How do I know if my HEPA filter is dirty?

If it has a lot of dust, debris, or hair like cloggers, it needs cleaning or replacement. If HEPA filters get dirty, it cannot perform efficiently and is unable to filter out pollutants. Hence degrading the indoor air quality.

Do HEPA filters need to be replaced?

The Included HEPA filter has a lifecycle of 1,000 hours or about 90 days when using the fan/air purifier feature for 11 hours a day. When it's time to replace the filter, the fan speed icon will glow red.

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