what are the sizes? I need 120 x 70 cm minimum

30" is 27.5 cm width x 10` is 3 Meter length . This would be the smallest roll size available. 30" x 10`

My window faces an avenue with a lot of traffic - will this grab the smog and soot that result from it? Don't want to breathe in exhaust and soot.

The only thing that will filter chemicals like fumes and soot would be a HEPA filter and a plasmawave or ionic air purifier. Ive cut up a couple hepa filters and put the filter part only in my 24x50 inch the window and thats been working great. But im looking for something pre made like that, that I can just easily place in the window instead of re taping everytime. I doubt something like this with the holes as large as they are would even filter out tiny pollen and dust particles at all like its claiming. You would need a large air purifier running if you need to get rid of fumes or anything that microscopic in size

What's the difference between this and the new Pollentec Nano Screen?

The Nanomaterial will block down to 2.5 microns whereas the PolenTec only to 20 microns. Visibility is better with the PollenTec

Will this help with mold spores?

Yes definitely. I am allergic to mold spores and other allergens. I put this on all windows when pollen and mold spores were high (most of the year) and had great relief. A friend, who had even worse allergies than myself.told me her life had been permanently improved. Good luck. F R Sharp MB ChB MSc FRCSC FACS

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🌬️ Elevate your air game—because fresh air is the new luxury!

TRUSTED QUALITY SINCE 2009 - Durable polyester material backed by a no-hassle return and replacement policy.
EFFORTLESS DIY INSTALLATION - No professional needed—install in minutes and upgrade your home environment instantly.
BREATHE CLEANER LIVE HEALTHIER - Effectively reduces airborne pollen and pollutants for fresher indoor air quality.
VERSATILE FIT FOR MULTIPLE APPLICATIONS - Perfect for windows, doors, screened porches, and lanais—universal compatibility.
TRANSFORM YOUR WINDOWS INTO AIR PURIFIERS - Turn any existing window or door screen into a powerful air filter with ease.

The PollenTec Clean Air Window Screen is a 21" x 50' polyester roll designed to convert your existing window and door screens into high-efficiency air purifiers. Easy to install and durable, it effectively filters pollen and airborne pollutants, improving indoor air quality. Suitable for various screen applications including porches and lanais, it offers a cost-effective, DIY solution backed by a trusted brand since 2009.

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Brand	PollenTec
Model Number	PT2150
Colour	1 Pack
Product Dimensions	54.61 x 7.62 x 7.62 cm; 907.18 g
Material	Polyester
Special Features	Easy to Install, Durable
Item Weight	907 g

Clean Air Window Screen Air Purifying Filter Material for Cleaner Healthier Air Inside Your Home Roll Size(21" x 50')

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