Dustlok 3-Ply Panels and Links combine Fiberbond Dual-Ply Dustlok media with an open structure air entering media to provide true multi-density depth loading. The media are securely sealed around a heavy 9 gauge internal grid with two support cross wires. Four parallel seals lock the media around the cross wires.

The overlap salvage media edge provides a tight pressure fit into the holding frame. This eliminates any possible by-pass common with chipboard frame type filters. For side access housings the use of Panel Links, a series of panels formed into a continuous link, provides both a 100% self-seal design and total effective face area.

Fiberbond Dustlok Adhesive uniformly coats the fibers in the downstream panel/link layer during the actual media manufacturing process. Dustlok will not dry out or migrate. Dustlok renews its effectiveness by absorbing dust particles into the adhesive, trapping them on the surface of individual fibers. There is no drop off in performance.

Standard with Dustlok Panels and Links is Spor-Ax, a biocide that effectively controls growth of mold, mildew, algae and fungi on the filter. Fiberbond filters with Spor-Ax do not support microbial growth. Spor-Ax will not off gas, migrate or leach into the airstream.

Independent laboratory testing using ASHRAE 52.2 - 1999 showed Dual-Ply Dustlok as MERV 8. Exceeds 65% efficiency on 3 micron particles.