Bag Air Filters



Venti-Pak® High-Efficiency Microglass Bag Filters feature high-loft micro-fiberglass media. All pocket edges are bonded with a high-integrity, double-lock stitch design. Available in MERV 14, 13, 11, and 10 efficiency ratings.



  • Exclusive, patented synthetic media with T-Flo® technology
  • Holds more dust with a lower pressure drop than Serva-Pak S
  • Lower resistance than Serva-Pak S
  • Resistant to humidity and moisture
  • Two efficiencies – MERV 15, MERV 14 

T-Flo® is a registered trademark of Transweb.

Hi-E® Series Pleated Collapsible Cartridge2

Hi-E® Series Pleated Collapsible Cartridge

  • Deep pleated media design
  • Collapsible for compact shipping and storage
  • Three depths - 8", 12", 24"
  • Four efficiencies - 25-30%, 60-65%, 80-85%, 90-95%



Clean-Pak™ High-Efficiency Synthetic Bag Filters feature a triple-layer of high-loft 100% synthetic media. All pocket edges are bonded with a high-integrity, sonic weld seal design. Available in MERV 16, 15, and 12 efficiency ratings.



  • Revolutionary, patented NanoWave® synthetic media
  • High mechanical filtration performance over the life of the filter
  • High loft media optimized for the highest dust holding capacity
  • Low-pressure drop
  • Low energy costs
  • Resistant to humidity and moisture
  • Two efficiencies– MERV 16, MERV 15

NanoWave® is a registered trademark of Hollingsworth & Vose Company.

Did You Know We Offer A Complete

Filter Service & Installation Service

Blejwas Associates can provide full turnkey solutions and install your air filters for you! Don't deal with waiting around for deliveries and handling dirty filters. Blejwas will install your new filters, as well as dispose of your spent filters!