{"id":4719,"date":"2026-09-23T23:15:51","date_gmt":"2026-09-24T06:15:51","guid":{"rendered":"https:\/\/www.26yc.com\/which-air-filter-where-application-guide\/"},"modified":"2026-09-23T23:17:15","modified_gmt":"2026-09-24T06:17:15","slug":"which-air-filter-where-application-guide","status":"publish","type":"post","link":"https:\/\/www.26yc.com\/fr\/which-air-filter-where-application-guide\/","title":{"rendered":"Which Air Filter Goes Where: Application Guide by Industry and Space"},"content":{"rendered":"<h2>Start With a Stage Strategy<\/h2>\n<p>Most systems run <strong>two stages<\/strong>: a cheap primary filter protects a finer final filter, cutting total cost. Clean spaces add a <strong>third (HEPA) stage<\/strong>.<\/p>\n<h2>Typical Arrangements by Space<\/h2>\n<table border=\"1\" cellpadding=\"6\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>Space \/ industry<\/th>\n<th>Recommended stages<\/th>\n<th>Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Offices, schools, retail<\/td>\n<td>G4 pre + F7 final<\/td>\n<td>Comfort, moderate IAQ<\/td>\n<\/tr>\n<tr>\n<td>Commercial HVAC (better IAQ)<\/td>\n<td>G4 + F8\/F9<\/td>\n<td>Asthma\/allergy, urban<\/td>\n<\/tr>\n<tr>\n<td>Hospital wards<\/td>\n<td>G4 + F8<\/td>\n<td>Infection control<\/td>\n<\/tr>\n<tr>\n<td>Operating theatres \/ isolation<\/td>\n<td>G4 + F9 + H13\/H14 terminal<\/td>\n<td>ISO 5, laminar<\/td>\n<\/tr>\n<tr>\n<td>Pharma \/ aseptic<\/td>\n<td>G4 + F8 + H13\/H14<\/td>\n<td>ISO clean<\/td>\n<\/tr>\n<tr>\n<td>Microelectronics cleanroom<\/td>\n<td>G4 + F9 + H14 (+ U15)<\/td>\n<td>Sub-micron control<\/td>\n<\/tr>\n<tr>\n<td>Paint \/ spray booths<\/td>\n<td>G3\/G4 panel + F5-F7 pocket + carbon<\/td>\n<td>Overspray + odour<\/td>\n<\/tr>\n<tr>\n<td>Data centres<\/td>\n<td>G4 pre + F9 final<\/td>\n<td>Low \u0394P priority<\/td>\n<\/tr>\n<tr>\n<td>Food &amp; beverage<\/td>\n<td>G4 + F7\/F8<\/td>\n<td>Hygiene, washable frames<\/td>\n<\/tr>\n<tr>\n<td>Compressor \/ turbine intake<\/td>\n<td>G3\/G4 + F6 pocket<\/td>\n<td>Equipment protection<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quick Rules of Thumb<\/h2>\n<ul>\n<li>Dirty, outdoor or process air first &#8211; a robust primary (G3\/G4).<\/li>\n<li>People-sensitive spaces &#8211; at least F7 and a planned HEPA for critical zones.<\/li>\n<li>Odour or VOC complaint &#8211; add an activated-carbon stage after particulate filtration.<\/li>\n<li>Tight energy budget &#8211; favour low initial \u0394P media and keep the primary stage healthy.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>A practical map of which air-filter class fits which space-offices, hospitals, cleanrooms, paint booths, data centres, food and pharma-plus typical two- and three-stage arrangements.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[109],"tags":[],"class_list":["post-4719","post","type-post","status-publish","format-standard","hentry","category-filter"],"_links":{"self":[{"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/posts\/4719","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/comments?post=4719"}],"version-history":[{"count":1,"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/posts\/4719\/revisions"}],"predecessor-version":[{"id":4728,"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/posts\/4719\/revisions\/4728"}],"wp:attachment":[{"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/media?parent=4719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/categories?post=4719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.26yc.com\/fr\/wp-json\/wp\/v2\/tags?post=4719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}