● Up to 99% absolute efficiency of 0.5~100 Micron ● High efficiency, high volume ● High loading capacity ≥ 18kg/pc(40’’) ● Radial pleated construction provides high flow area with high filtration efficiency ● 100% polypropylene melt-blown microfibers with broad applications ● High-strength polypropylene support ● NSF42 certificated and FDA compliant ● Manufactured in cleanroom