Bag filters are the second line of defense in an AHU after panel filters; they have jagged/pleated edges extending back a certain distance that increase surface area for capturing dirt that passes through panel filters.
factualpending
Evidence Quote
“The second line of defense there is your panel your bag filters evil and These actually kind of these jagged edges, so the bags go back a certain distance [and] that they will change that and that changes if you imagine the surface area that it can capture”
Created: 8/13/2026, 4:57:53 AM
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