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Poly Shield XI
High Efficiency Filtration Media Provides Superior Protection.

Fiber Bond’s Poly Shield XI media delivers MERV 11 performance when tested in accordance with ASHRAE 52.2

It is the ideal media choice for applications requiring highly efficient filtration. The media is manufactured with Dustlok Composite Adhesive, an aggressive adhesive that has the ability to absorb particles and continuously renew its effectiveness

SporAx Antimicrobial Keeps Filter Media Free From Mold, Mildew, Algae & Fungi Fiber Bond’s Spor-Ax antimicrobial is part of the manufacturing process, not a costly, post-application. The elimination of microbial growth reduces resistance and extends service life.

Filter Media:


Initial Resistance: 0.43” w.g. at 492 fpm

Flammability: UL 900 Classified

Performance: MERV 11 in accordance with ASHRAE 52.2-2012

Recommended Final Resistance: 1.0” w.g.

Maximum Operating Temperature: 200° F

Spec Sheet PS-11

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