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2. Ultra-low particulate air - Wikipedia

   en.wikipedia.org/wiki/Ultra-low_particulate_air

   Ultra-low particulate air (ULPA) is a type of air filter.A ULPA filter can remove from the air at least 99.999% of dust, pollen, mold, bacteria and any airborne particles with a minimum particle penetration size of 120 nanometres (0.12 μm, ultrafine particles).

3. NIOSH air filtration rating - Wikipedia

   en.wikipedia.org/wiki/NIOSH_air_filtration_rating

   In addition, the 2001 revision to ANSI K13.1-1973 provides exclusive colors to be used for non-P100 cartridge filters, in two categories: oil-resistant (remaining R- and P- NIOSH ratings), and non-oil resistant (all N-ratings). [46] By definition, ANSI Z88.2-2015 considers N100, R100, P100, and HE as HEPA filters. [31]

4. Clean air delivery rate - Wikipedia

   en.wikipedia.org/wiki/Clean_Air_Delivery_Rate

   The AHAM-certified seal lists a rating for tobacco smoke, pollen, and dust removal, and a rating for room size. The clean air delivery rate (CADR) is a figure of merit that is the cubic feet per minute (CFM) of air that has had all the particles of a given size distribution removed.

5. All the best early Cyber Monday deals under $100: Walmart ...

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   It's a great time to purchase this fan-favorite mirror, which has a 4.7-star rating after 7,000 reviews. $46 at Walmart. Nekteck Shiatsu Foot Massager Machine for $70 ($20 off)

6. Words are overrated. Here’s why we’re addicted to ‘silent ...

   www.aol.com/words-overrated-why-addicted-silent...

   This practice can also be used by showing people silent reviews and having them interpret the message the creator is trying to convey, making them a great teaching tool, according to Paul.

7. Hampton's huge day helps North Carolina hold off Wake Forest ...

   www.aol.com/hamptons-huge-day-helps-north...

   Omarion Hampton posted career highs of 35 carries for 244 yards with a key late touchdown that helped North Carolina beat Wake Forest 31-24 on Saturday night, pushing the Tar Heels to bowl ...