Discover and read the best of Twitter Threads about #askaboutasthma

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💨💨💨💨💨
Every Child Deserves A
#CleanAirClassroom

📢
Have a look at the comparison charts for
The improved
UK DIY #CorsiRosenthalBox
Uses a quiet VentAxia BoxFan
Vs
Domestic & Commercial #HEPA brands
🎆🎆🎆🎆🎆
In a typical classrm 150m3
To supplement air from windows
5-6 ACH of clean air recommended can be provided by #AirFilterUnits

Only
1 number
DIY #CorsiRosenthalBox
Is required circa £180
& £50 for protective IKEA enclosure
tinyurl.com/DIYCRBoxUK
Download instructions here: 3d diagram of UK DIY Corsi Rosenthal box arrangement and pho
Compare to the
@educationgovuk

Approved supplier models
That schools can choose to buy

A typical classroom volume needs
- 3 x Camfil City M @ circa £5310 noise of unit <45db ( DfE Guide cost)

- 6 x Dyson TP09
@circa £2554 but at a high noise levels (DfE guide cost)
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