Glasfloss offers filters for every application requiring medium to high efficiencies. With numerous grades to choose from, a Glasfloss filter can be selected that offers the right combination of price and performance. For example, our Z-Line Series Pleated filters offer a solution for virtually

every HVAC application and are available in standard & special sizes and from pre-filters for higher efficiency filters to primary filters for computer room units. Optional medias are available for applications requiring high efficiency performance.

All Glasfloss standard Pleats are now rated at MERV 10.

The original manufacturer of HVAC air filters.


  • Arizona
  • California-Southern and Northern
  • Guam
  • Hawaii
  • Nevada

Download the Glasfloss App