{"id":5318,"date":"2026-04-18T09:01:00","date_gmt":"2026-04-18T01:01:00","guid":{"rendered":"https:\/\/www.bacintl.com\/?p=5318"},"modified":"2026-04-20T08:44:31","modified_gmt":"2026-04-20T00:44:31","slug":"what-is-the-replacement-cycle-for-the-high-efficiency-filter-2","status":"publish","type":"post","link":"https:\/\/www.bacintl.com\/fr\/what-is-the-replacement-cycle-for-the-high-efficiency-filter-2\/","title":{"rendered":"What is the replacement cycle for the high-efficiency filter?"},"content":{"rendered":"<p>Replacement cycle for high-efficiency filters (HEPA)<br \/>\nRegular cleanroom (D grade \/ C grade): 1 to 3 years<br \/>\nCritical clean areas (B grade \/ A grade): 1 to 2 years<br \/>\nHigh environmental dust and poor front-end filtration: 6 to 12 months<br \/>\nThe 3 decisive factors that truly determine whether to replace (more accurate than time)<br \/>\nResistance reaches the final resistance of the new filter resistance \u00d7 2 or reaches the manufacturer&#8217;s specified final resistance (generally 400\u2013450 Pa) \u2192 Must replace.<br \/>\nLeak detection failure PAO leak detection test: Dust is emitted upstream and leakage is detected downstream \u2192 Must replace.<br \/>\nWhen the service life reaches the upper limit, even if the resistance is not high and it does not look dirty, it is generally not recommended to exceed 3 years (filter paper will age, sealant will crack, and sealing will fail).<br \/>\nHere is a concise version that can be directly written into the record<br \/>\nPrimary efficiency: 1\u20133 months<br \/>\nIntermediate efficiency: 3\u20136 months<br \/>\nHigh efficiency: 1\u20133 years (judged by resistance + leak detection + service life in combination)<\/p>","protected":false},"excerpt":{"rendered":"<p>Replacement cycle for high-efficiency filters (HEPA) Regular cleanroom (D grade \/ C grade): 1 to 3 years Critical clean areas (B grade \/ A grade): 1 to 2 years High environmental dust and poor front-end filtration: 6 to 12 months The 3 decisive factors that truly determine whether to replace (more accurate than time) Resistance [&hellip;]<\/p>","protected":false},"author":3,"featured_media":4269,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[92],"tags":[],"class_list":["post-5318","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-technology"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.bacintl.com\/fr\/wp-json\/wp\/v2\/posts\/5318","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bacintl.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bacintl.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bacintl.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bacintl.com\/fr\/wp-json\/wp\/v2\/comments?post=5318"}],"version-history":[{"count":1,"href":"https:\/\/www.bacintl.com\/fr\/wp-json\/wp\/v2\/posts\/5318\/revisions"}],"predecessor-version":[{"id":5319,"href":"https:\/\/www.bacintl.com\/fr\/wp-json\/wp\/v2\/posts\/5318\/revisions\/5319"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bacintl.com\/fr\/wp-json\/wp\/v2\/media\/4269"}],"wp:attachment":[{"href":"https:\/\/www.bacintl.com\/fr\/wp-json\/wp\/v2\/media?parent=5318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bacintl.com\/fr\/wp-json\/wp\/v2\/categories?post=5318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bacintl.com\/fr\/wp-json\/wp\/v2\/tags?post=5318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}