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ULTRA -WEB® CARTRIDGE - ENGINEERED FOR DUST COLLECTION <br />SEM IMAGES2 <br />I micron= 1/25,400ofan inch(1/1000 of ofamillimeter) 4; io ISQ, <br />10 micron <br />, � Vii• - <br />rI f��IYYI��, <br />Ultra -Web (600x) <br />*RefertoMinimum Efficiency Reporting Value onpage 4. Fine Fiber Media <br />SPECIFICATIONS <br />MEDIA COMPOSITION <br />Fine Fiber Durable proprietary synthetic filter media fibers <br />Technology and polymer <br />Mean fiber diameter of 0.2 pm <br />Proprietary blend of cellulose fibers <br />Substrate Flame retardant version per UL'Standard 558, TAPPI <br />Standard T 461om-94, and DIN 53438 Part 3 <br />MEDIA COMPATIBILITY DATA <br />Temperature Resistance <br />180°F/82°C <br />Moisture Absorption* <br />Maximum 14% ® 70°F (21°C) and <br />65% R H <br />Chemical Tolerance* <br />Acids4Poor Oxidants4Poor <br />Bases4Fair Solvents4Fair <br />Abrasion Resistance <br />Good per TAPPI 476 (Taber Method) <br />* Referto Minimum Efficiency Reporting Value on page 2. <br />f Scanning Electron Microscope <br />-y <br />Cellulose Media (600x) <br />CARTRIDGE CONSTRUCTION <br />Galvanized metal end caps <br />Standard Galvanized expanded metal liner <br />Construction 72% open area <br />Urethane gasket <br />Stainless steel liner and end caps <br />Options No outer liner version <br />EPDM gasket <br />MEDIA EFFICIENCY <br />U.S. Efficiency Rating MERV* 15 per ASHRAE 52.2-2007 <br />