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H&B Air Filter Co.'s
DLM9 Slot-Panel (4-layer)

re more efficient, sturdy and have a longer service life than standard (pleated) commercial air filters. Dustlok slot-panels are able to withstand moisture that standard pleated filters cannot, slot-panels do not gap (allow air to pass) or bind in air handler tracks. In addition, slot-panels are made to the exact size of the unit, no spacer or shim(s) needed.

If you do not see your size or configuration below please contact us and we will make what you need!
713-784-8061 or hbairfilters@gmail.com

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work with a 2 layer pre-filtering coarse air entering filter, combined with DLM9 a dual-ply composite adhesive coated media impregnated with anti-microbial that provides progressive depth-loading of contaminants. An internal support grid with cross wires secures the panel in place, preventing fluttering and dirt bypass which is something pleated filters struggle with. The air leaving side, orange in color, shall contain a non-drying, non-migratory composite adhesive coating the downstream fibers all protected by an anti-microbial agent embedded in the filter (never sprayed on afterwards). The pre-filter and DLM9 are sewn together by our technicians to the size specified ensuring a gapless no bunching fit. This process allows H&B to make just about any size you might require.