Product reviewsGreenzone PM2.5 filter for cotton face masks - Washable

Good mask, reasonable price.

I purchased two of these masks last year and was impressed with them. These are now even better as the filter can be inserted from either end making it much easier to fit The ear hooks are better than many others as they are thinner which makes them easy to fit and more comfortable.Read full review...

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Useful Filters

I pop these into reusable cotton masks for a bit of extra protection in busy public places or on public transport. Each one can be used for about 10 days so good value for that extra bit if caution! Highly recommend.Read full review...

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Face mask

I was surprised how good this product is for the price, really good quality. So pleased I ordered another 2 more.

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Good product

Good value and much needed. Filters arrived quickly and very happy with the product. Haven't tried to wash them so can't comment on this aspect and whether they are reusable

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Great value, great fit.

These filters are perfect for the face masks that I wear each day. They fit into the inside pocket as if they were made for each other. Wash easily and dry quickly. Great value for money

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Filter PM25

Very good quality, easy to use and does the job, I recommend it!!!

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Does what it says "on the tin"

Great, I presume, for what it does. Te space in our masks is actually bigger than these filters, so what could make them even better would be the option to order them in that larger size - otherwise fab.Read full review...

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Excellent product.

A must in order to get the best performance from your mask. Easy to fit.

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Good quality and long lasting filters.

I have bought these filters more than once to use with my cotton face mask. The filters are good quality, easy to use and last up to 8 hours per filter, when worn inside a cotton mask. I feel very safe when wearing these filters with my cotton mask.Read full review...

Great product.

Nice and compact. easy to fit.

Verified purchase:  Yes | Condition: new | Sold by: gz-sales