{"id":10361,"date":"2021-11-25T12:42:12","date_gmt":"2021-11-25T12:42:12","guid":{"rendered":"https:\/\/venfilter.es.mialias.net\/blog\/normativa\/guia-comparativa-de-normas-para-la-clasificacion-de-los-filtros-de-aire\/"},"modified":"2022-01-25T11:45:39","modified_gmt":"2022-01-25T10:45:39","slug":"comparative-guide-to-norms-for-the-classification-of-air-filters","status":"publish","type":"normativa","link":"https:\/\/venfilter.es\/en\/normative\/comparative-guide-to-norms-for-the-classification-of-air-filters\/","title":{"rendered":"Comparative Guide to Norms for the Classification of Air Filters"},"content":{"rendered":"<h3>Comparative Guide to Norms for the Classification of Air Filters<\/h3>\n<table border=\"0\" width=\"102%\" cellspacing=\"0\" cellpadding=\"0\">\n<caption>\n<\/caption>\n<tbody>\n<tr>\n<th scope=\"col\" width=\"17%\">Description<\/th>\n<th colspan=\"4\" scope=\"col\">Thick dust filters<\/th>\n<th colspan=\"15\" scope=\"col\">Fine dust filters<\/th>\n<th colspan=\"5\" scope=\"col\">HEPA<\/th>\n<th colspan=\"1\" scope=\"col\">ULPA<\/th>\n<\/tr>\n<tr>\n<td>EN ISO 16890<\/td>\n<td colspan=\"4\" rowspan=\"1\" align=\"center\" width=\"5%\">Coarse<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM1<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM2,5<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM10<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM1<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM2,5<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM10<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM1<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM2,5<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM10<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM1<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM2,5<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM10<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM1<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM2,5<\/td>\n<td rowspan=\"1\" align=\"center\" width=\"7%\">ePM10<\/td>\n<td width=\"3%\"><\/td>\n<td width=\"3%\"><\/td>\n<td width=\"3%\"><\/td>\n<td width=\"3%\"><\/td>\n<td width=\"4%\"><\/td>\n<td width=\"4%\"><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td align=\"center\" width=\"5%\"><\/td>\n<td align=\"center\" width=\"6%\">40%<\/td>\n<td align=\"center\" width=\"5%\">50%<\/td>\n<td align=\"center\" width=\"8%\">&gt;60%<\/td>\n<td align=\"center\" width=\"7%\">&lt;20%<\/td>\n<td align=\"center\" width=\"7%\">&lt;40%<\/td>\n<td style=\"text-align: center; width: 7px; vertical-align: middle;\">\n<div style=\"text-align: center;\"><span style=\"font-size: 12px;\">\u226550%<\/span><\/div>\n<\/td>\n<td align=\"center\" width=\"6%\">&lt;40%<\/td>\n<td align=\"center\" width=\"6%\">50-60%<\/td>\n<td align=\"center\" width=\"6%\">&gt;60%<\/td>\n<td align=\"center\" width=\"6%\">50-70%<\/td>\n<td align=\"center\" width=\"6%\">&gt;65%<\/td>\n<td align=\"center\" width=\"6%\">&gt;80%<\/td>\n<td align=\"center\" width=\"6%\">70-80%<\/td>\n<td align=\"center\" width=\"6%\">&gt;80%<\/td>\n<td align=\"center\" width=\"6%\">&gt;90%<\/td>\n<td align=\"center\" width=\"5%\">&gt;80%<\/td>\n<td align=\"center\" width=\"5%\">&gt;90%<\/td>\n<td align=\"center\" width=\"5%\">&gt;95%<\/td>\n<td width=\"3%\"><\/td>\n<td width=\"3%\"><\/td>\n<td width=\"3%\"><\/td>\n<td width=\"3%\"><\/td>\n<td width=\"4%\"><\/td>\n<td width=\"4%\"><\/td>\n<\/tr>\n<tr>\n<td>EN779:2012<\/td>\n<td align=\"center\" width=\"5%\">G1<\/td>\n<td align=\"center\" width=\"6%\">G2<\/td>\n<td align=\"center\" width=\"5%\">G3<\/td>\n<td align=\"center\" width=\"8%\">G4<\/td>\n<td colspan=\"3\" align=\"center\" width=\"7%\">M5<\/td>\n<td colspan=\"3\" align=\"center\" width=\"6%\">M6<\/td>\n<td colspan=\"3\" align=\"center\" width=\"6%\">F7<\/td>\n<td colspan=\"3\" align=\"center\" width=\"6%\">F8<\/td>\n<td colspan=\"3\" align=\"center\" width=\"5%\">F9<\/td>\n<td width=\"3%\"><\/td>\n<td width=\"3%\"><\/td>\n<td width=\"3%\"><\/td>\n<td width=\"3%\"><\/td>\n<td width=\"4%\"><\/td>\n<td width=\"4%\"><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td colspan=\"4\" align=\"center\">Average performance (<em>A<\/em>m) against synthetic dust %<\/td>\n<td colspan=\"15\" align=\"center\">Average efficiency (<em>E<\/em>m) against particles of 0,4 \u03bc m %<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td colspan=\"26\"><\/td>\n<\/tr>\n<tr>\n<td>M5 &lt; F9<\/td>\n<td align=\"center\">50 &lt; 65<\/td>\n<td align=\"center\">65 &lt; 80<\/td>\n<td align=\"center\">80 &lt; 90<\/td>\n<td align=\"center\">90 &lt; <em>A<\/em>m<\/td>\n<td colspan=\"3\" align=\"center\">40 &lt; 60<\/td>\n<td colspan=\"3\" align=\"center\">60 &lt; 80<\/td>\n<td colspan=\"3\" align=\"center\">80 &lt; 90<\/td>\n<td colspan=\"3\" align=\"center\">90 &lt; 95<\/td>\n<td colspan=\"3\" align=\"center\">95 &lt; <em>E<\/em>m<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Minimum efficiency 0,4 \u03bcm<\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td colspan=\"3\" align=\"center\"><\/td>\n<td colspan=\"3\" align=\"center\"><\/td>\n<td colspan=\"3\" align=\"center\">35 %<\/td>\n<td colspan=\"3\" align=\"center\">55 %<\/td>\n<td colspan=\"3\" align=\"center\">70%<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td colspan=\"26\"><\/td>\n<\/tr>\n<tr>\n<td>EN1822:2011 (DEHS)<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td colspan=\"3\"><\/td>\n<td colspan=\"3\"><\/td>\n<td colspan=\"3\"><\/td>\n<td colspan=\"3\"><\/td>\n<td colspan=\"3\"><\/td>\n<td align=\"center\">E10<\/td>\n<td align=\"center\">E11<\/td>\n<td align=\"center\">E12<\/td>\n<td align=\"center\">H13<\/td>\n<td align=\"center\">H14<\/td>\n<td align=\"center\">U15<\/td>\n<\/tr>\n<tr>\n<td>INICIAL eff. MPPS (DEHS) MPPS=Most penetrating particle size<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">n\/a<\/td>\n<td colspan=\"3\" align=\"center\">n\/a<\/td>\n<td colspan=\"3\" align=\"center\">n\/a<\/td>\n<td colspan=\"3\" align=\"center\">n\/a<\/td>\n<td colspan=\"3\" align=\"center\">n\/a<\/td>\n<td colspan=\"3\" align=\"center\">n\/a<\/td>\n<td align=\"center\">&gt;85<\/td>\n<td align=\"center\">&lt;95<\/td>\n<td align=\"center\">&gt;99,5<\/td>\n<td align=\"center\">&gt;99,95<\/td>\n<td align=\"center\">&gt;99,995<\/td>\n<td align=\"center\">&gt;99,9995<\/td>\n<\/tr>\n<tr>\n<td colspan=\"26\"><\/td>\n<\/tr>\n<tr>\n<td>EUROVENT 4\/5 DPf F5&lt;F9 = 600Pa<\/td>\n<td align=\"center\">EU1<\/td>\n<td align=\"center\">EU2<\/td>\n<td align=\"center\">EU3<\/td>\n<td align=\"center\">EU4<\/td>\n<td colspan=\"3\" align=\"center\">EU5<\/td>\n<td colspan=\"3\" align=\"center\">EU6<\/td>\n<td colspan=\"3\" align=\"center\">EU7<\/td>\n<td colspan=\"3\" align=\"center\">EU8<\/td>\n<td colspan=\"3\" align=\"center\">EU9<\/td>\n<td align=\"center\">EU10<\/td>\n<td align=\"center\">EU11<\/td>\n<td align=\"center\">EU12<\/td>\n<td align=\"center\">EU13<\/td>\n<td align=\"center\">EU14<\/td>\n<td align=\"center\">EU15<\/td>\n<\/tr>\n<tr>\n<td colspan=\"26\"><\/td>\n<\/tr>\n<tr>\n<td>ASHRAE MERV Values<\/td>\n<td align=\"center\">1<\/td>\n<td align=\"center\">2-3-4<\/td>\n<td align=\"center\">5-6<\/td>\n<td align=\"center\">7-8<\/td>\n<td colspan=\"3\" align=\"center\">9-10<\/td>\n<td colspan=\"3\" align=\"center\">11-12<\/td>\n<td colspan=\"3\" align=\"center\">13<\/td>\n<td colspan=\"3\" align=\"center\">14<\/td>\n<td colspan=\"3\" align=\"center\">15<\/td>\n<td align=\"center\">=16<\/td>\n<td align=\"center\">=17<\/td>\n<td align=\"center\">=18<\/td>\n<td align=\"center\">=19<\/td>\n<td align=\"center\">=20<\/td>\n<td align=\"center\"><\/td>\n<\/tr>\n<tr>\n<td colspan=\"26\"><\/td>\n<\/tr>\n<tr>\n<td>ASHRAE 52-76 (weight arr.)<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">G70<\/td>\n<td align=\"center\">G85<\/td>\n<td align=\"center\">G95<\/td>\n<td colspan=\"3\" align=\"center\">n\/a<\/td>\n<td colspan=\"3\" align=\"center\">n\/a<\/td>\n<td colspan=\"3\" align=\"center\">n\/a<\/td>\n<td colspan=\"3\" align=\"center\">n\/a<\/td>\n<td colspan=\"3\" align=\"center\">n\/a<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">n\/a<\/td>\n<\/tr>\n<tr>\n<td>Gravimeter<\/td>\n<td align=\"center\">m &gt; 65<\/td>\n<td align=\"center\">65 &gt; 80<\/td>\n<td align=\"center\">85 &gt; 90<\/td>\n<td align=\"center\">&gt; 90<\/td>\n<td colspan=\"3\" align=\"center\">&gt; 97<\/td>\n<td colspan=\"3\" align=\"center\">&gt; 98<\/td>\n<td colspan=\"3\" align=\"center\">&gt; 98<\/td>\n<td colspan=\"3\" align=\"center\">&gt; 99,5<\/td>\n<td colspan=\"3\" align=\"center\">&gt; 99,5<\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<\/tr>\n<tr>\n<td colspan=\"26\"><\/td>\n<\/tr>\n<tr>\n<td>ASHRAE 52-76 (Dust spot) Opacity-metric<\/td>\n<td align=\"center\">&gt; 20<\/td>\n<td align=\"center\">&gt; 20<\/td>\n<td align=\"center\">&gt; 20<\/td>\n<td align=\"center\">&gt; 20<\/td>\n<td colspan=\"3\" align=\"center\">40 &lt; 60<\/td>\n<td colspan=\"3\" align=\"center\">60 &lt; 80<\/td>\n<td colspan=\"3\" align=\"center\">80 &lt; 90<\/td>\n<td colspan=\"3\" align=\"center\">90 &lt; 95<\/td>\n<td colspan=\"3\" align=\"center\">&lt; 95<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td colspan=\"26\"><\/td>\n<\/tr>\n<tr>\n<td>NBN X 44 001<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">G70<\/td>\n<td align=\"center\">G85<\/td>\n<td align=\"center\">G95<\/td>\n<td colspan=\"3\" align=\"center\">F50<\/td>\n<td colspan=\"3\" align=\"center\">F70<\/td>\n<td colspan=\"3\" align=\"center\">F85<\/td>\n<td colspan=\"3\" align=\"center\">n\/a<\/td>\n<td colspan=\"3\" align=\"center\">F95<\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\">U95<\/td>\n<td align=\"center\">U99,5<\/td>\n<td align=\"center\">U99,99<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td colspan=\"26\"><\/td>\n<\/tr>\n<tr>\n<td>DIN 24185 E<\/td>\n<td align=\"center\">A<\/td>\n<td align=\"center\">B1<\/td>\n<td align=\"center\">B2<\/td>\n<td align=\"center\">B2<\/td>\n<td colspan=\"3\" align=\"center\">B2<\/td>\n<td colspan=\"3\" align=\"center\">C1<\/td>\n<td colspan=\"3\" align=\"center\">C2<\/td>\n<td colspan=\"3\" align=\"center\">C3<\/td>\n<td colspan=\"3\" align=\"center\">C3<\/td>\n<td align=\"center\">Q<\/td>\n<td align=\"center\">R<\/td>\n<td colspan=\"2\" align=\"center\">S<\/td>\n<td align=\"center\">ST<\/td>\n<td align=\"center\">T<\/td>\n<\/tr>\n<tr>\n<td colspan=\"26\"><\/td>\n<\/tr>\n<tr>\n<td>US fed 209 (0,3\u03bcm DOP) Initial efficiency<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">n\/a<\/td>\n<td align=\"center\">0-5<\/td>\n<td colspan=\"3\" align=\"center\">5-15<\/td>\n<td colspan=\"3\" align=\"center\">10-25<\/td>\n<td colspan=\"3\" align=\"center\">45-60<\/td>\n<td colspan=\"3\" align=\"center\">65-75<\/td>\n<td colspan=\"3\" align=\"center\">75-85<\/td>\n<td align=\"center\">&gt;85<\/td>\n<td align=\"center\">&lt;95<\/td>\n<td align=\"center\">&gt;99,5<\/td>\n<td align=\"center\">&gt;99,99<\/td>\n<td align=\"center\">&gt;99,999<\/td>\n<td align=\"center\">&gt;99,9999<\/td>\n<\/tr>\n<tr>\n<td colspan=\"26\"><\/td>\n<\/tr>\n<tr>\n<td colspan=\"26\">Initial efficiency on particles<\/td>\n<\/tr>\n<tr>\n<td>0,12\u03bcm<\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td colspan=\"3\" align=\"center\">0-10<\/td>\n<td colspan=\"3\" align=\"center\">5-15<\/td>\n<td colspan=\"3\" align=\"center\">25-35<\/td>\n<td colspan=\"3\" align=\"center\">35-45<\/td>\n<td colspan=\"3\" align=\"center\">45-60<\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\">&gt;99,9999<\/td>\n<\/tr>\n<tr>\n<td>0,3\u03bcm<\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td align=\"center\">0-5<\/td>\n<td colspan=\"3\" align=\"center\">5-15<\/td>\n<td colspan=\"3\" align=\"center\">10-25<\/td>\n<td colspan=\"3\" align=\"center\">45-60<\/td>\n<td colspan=\"3\" align=\"center\">65-75<\/td>\n<td colspan=\"3\" align=\"center\">75-85<\/td>\n<td align=\"center\">&gt;85<\/td>\n<td align=\"center\">&lt;95<\/td>\n<td align=\"center\">&lt;99,5<\/td>\n<td align=\"center\">&lt;99,99<\/td>\n<td align=\"center\">&lt;99,999<\/td>\n<td align=\"center\"><\/td>\n<\/tr>\n<tr>\n<td>0,4\u03bcm<\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td align=\"center\">0-7<\/td>\n<td colspan=\"3\" align=\"center\">10-20<\/td>\n<td colspan=\"3\" align=\"center\">20-35<\/td>\n<td colspan=\"3\" align=\"center\">50-70<\/td>\n<td colspan=\"3\" align=\"center\">70-80<\/td>\n<td colspan=\"3\" align=\"center\">80-90<\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<\/tr>\n<tr>\n<td>0,5\u03bcm<\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td align=\"center\">0-5<\/td>\n<td align=\"center\">5-15<\/td>\n<td colspan=\"3\" align=\"center\">15-30<\/td>\n<td colspan=\"3\" align=\"center\">20-40<\/td>\n<td colspan=\"3\" align=\"center\">60-75<\/td>\n<td colspan=\"3\" align=\"center\">80-90<\/td>\n<td colspan=\"3\" align=\"center\">90-95<\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<\/tr>\n<tr>\n<td>1\u03bcm<\/td>\n<td align=\"center\"><strong>&#8211;<\/strong><\/td>\n<td align=\"center\">0-5<\/td>\n<td align=\"center\">5-15<\/td>\n<td align=\"center\">15-35<\/td>\n<td colspan=\"3\" align=\"center\">30-50<\/td>\n<td colspan=\"3\" align=\"center\">50-65<\/td>\n<td colspan=\"3\" align=\"center\">85-95<\/td>\n<td colspan=\"3\" align=\"center\">95-98<\/td>\n<td colspan=\"3\" align=\"center\">&gt;98<\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<\/tr>\n<tr>\n<td>3\u03bcm<\/td>\n<td align=\"center\">0-5<\/td>\n<td align=\"center\">5-15<\/td>\n<td align=\"center\">15-35<\/td>\n<td align=\"center\">30-55<\/td>\n<td colspan=\"3\" align=\"center\">70-90<\/td>\n<td colspan=\"3\" align=\"center\">85-95<\/td>\n<td colspan=\"3\" align=\"center\">&gt;98<\/td>\n<td colspan=\"3\" align=\"center\">&gt;99<\/td>\n<td colspan=\"3\" align=\"center\">&gt;99<\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<\/tr>\n<tr>\n<td>5\u03bcm<\/td>\n<td align=\"center\">5-15<\/td>\n<td align=\"center\">15-35<\/td>\n<td align=\"center\">35-70<\/td>\n<td align=\"center\">60-90<\/td>\n<td colspan=\"3\" align=\"center\">90-99<\/td>\n<td colspan=\"3\" align=\"center\">95-99<\/td>\n<td colspan=\"3\" align=\"center\">&gt;99<\/td>\n<td colspan=\"3\" align=\"center\">&gt;99<\/td>\n<td colspan=\"3\" align=\"center\">&gt;99<\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<\/tr>\n<tr>\n<td>10\u03bcm<\/td>\n<td align=\"center\">40-50<\/td>\n<td align=\"center\">50-70<\/td>\n<td align=\"center\">70-85<\/td>\n<td align=\"center\">85-98<\/td>\n<td colspan=\"3\" align=\"center\">&gt;98<\/td>\n<td colspan=\"3\" align=\"center\">&gt;99<\/td>\n<td colspan=\"3\" align=\"center\">&gt;99<\/td>\n<td colspan=\"3\" align=\"center\">&gt;99<\/td>\n<td colspan=\"3\" align=\"center\">&gt;99<\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\"><\/td>\n<\/tr>\n<tr>\n<td colspan=\"26\"><\/td>\n<\/tr>\n<tr>\n<td>Decontamination factor in MPPS<\/td>\n<td align=\"center\">1<\/td>\n<td align=\"center\">1<\/td>\n<td align=\"center\">1<\/td>\n<td align=\"center\">1<\/td>\n<td colspan=\"3\" align=\"center\">1<\/td>\n<td colspan=\"3\" align=\"center\">1<\/td>\n<td colspan=\"3\" align=\"center\">2<\/td>\n<td colspan=\"3\" align=\"center\">3<\/td>\n<td colspan=\"3\" align=\"center\">5<\/td>\n<td align=\"center\">7<\/td>\n<td align=\"center\">20<\/td>\n<td align=\"center\">200<\/td>\n<td align=\"center\">2.000<\/td>\n<td align=\"center\">20.000<\/td>\n<td align=\"center\">200.000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":0,"template":"","tipo_normativa":[1738],"class_list":["post-10361","normativa","type-normativa","status-publish","hentry","tipo_normativa-classification-of-air-filters"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - 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