Fresh air is also a doorway. DMR asks for two micrometre filters on fresh air entry points, and NHB asks for nylon net of 35 mesh or finer on doors and ventilators against flies.
CO₂, Fresh Air & Distribution
Field notesCO₂, Fresh Air & Distribution
Field notesFresh air is also a doorway. DMR asks for two micrometre filters on fresh air entry points, and NHB asks for nylon net of 35 mesh or finer on doors and ventilators against flies.
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