DarkhorseAir
QT3 HEPA Filter (2 pack)
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HEPA filters capture particulate pollution like PM2.5, dust and pollen. HEPA filters are the key to clean air, so make sure to replace them regularly. The QT3’s HEPA can give you up to 800 hours of clean air.
Your Purchase Includes
Your Purchase Includes
Includes 1 × HEPA Filter
Dimensions L × W × H (mm)
Dimensions L × W × H (mm)
23.6 × 12.4 × 5.3 cm
Lifespan
Lifespan
200 day (800 hrs, running 4 hrs per day)





WHY ARE WE A B CORP?
In 2013, we set Smart Air up as a social enterprise. That means we’re not driven by greedy investors who are looking for huge profits, but by a mission to protect people from air pollution.
Since our founding, we’ve shipped over 70,000 of our clean air tools to more than 20 countries, and have shared over 250 open-data articles, viewed more than 10 million times.
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Shipping Policy
We process and ship orders 5 days a week, Monday through Friday. Since we are closed on the weekends, Saturdays and Sundays, and national Canada holidays, we don't process or ship orders during those times. For example, if you placed your order on Friday evening, it will not be processed and shipped until the following Monday.
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Return & Refund Policy
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.