Using F7 filters and impact on flow and noise

Please help! I am trying to figure out the impact of using F7 filters rather that the "standard" G3/4 and I wonder if anybody had any experience with them and share their experience and comment to my thinking and calculations below. Assumption-1: The manufacturers quote their flow rates using the "standard" G3 filters. Assumption-2: I have found a Filter manufacturer spec sheet and as best I can interpolate using the sizes they specced, a G3/4 filter will cause roughly 35-50Pa dro

Hi all, I've fitted an F7 filter to my mvhr system, which uses a nuaire xbox95wh1 (very basic unit, but bought very cheaply, £350 as new, as an incorrectly specified installation) The whole thing has cost less than £100. Here are the key points of construction, results and next actions. I hope this is helpful. I'd also appreciate any further info you may have to assist with the next steps, as below. SYSTEM DESCRIPTION https://info.nuaire.co.uk/Iand