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Marwa Zaatari
marwa_zaatari
1) About MERV 13 - upgrading filters to MERV13 is the cheapest and most consistent/ practical solution:For a 10,000 ft2 school buildings or 15 classrooms, it only costs $546/YEAR. This
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My school installed an electronic air cleaner system (EAC), what should I do? 1) Ask for the following (part 1):-Make/model of the system-What is the basis to choosing the number
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Here is a collection of cheating techniques of ionizers when reporting test results @jljcolorado 1) Use a small chamber or position their equipment above a tiny surface (example Petri
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