bman has lots of charts and graphs to prove how good they measure in his room!

https://www.someecards.com/usercards/viewcard/58941b888ebce1a69e5d0db465d4d311/?tagSlug=workplace
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M100,VP160,QS10HPx2,EP800,M5HP,M3,M50 v4
M80,VP150,QS8x4,EP600 v2
ADA-1000-2,3,1500-3
Air N2