Air Filters

Commercial Air Filters

Frame Sets and Bulk Media
Air Filters

Holt Filters offers a variety of pre-cut pads and bulk media for pre-filterm primary filter and media replacement applications. Our pre-cut pads and bulk media come in a variety of fiberglass and 100% non-woven polyester grades that are designed for light to heavy dust loading applications.

Standard size pre-cut pads are packaged, allowing quick access and keeps the air filter media clean before installation. Service rolls are available and are packaged in an easy to use bag.

The media is available in residential, commercial and industrial grades with a wide selection of standard and special sizes, and Holt also sells filter frames and custom made frames.

Progressively Dense Fiberglass or 100% Non-woven Polyester
Standard and Special Sizes Available
Skin Backing on Air Leaving Side of Fiberglass

Fiberglass: Shall consist of continuous filament fiberglass of graduated density to ensure depth loading and long service life. The air leaving side of the media shall incorporate a skin backing, which supports the media during operation and creates a final filtration stage. The various grades of fiberglass media are engineered for a variety of dust loading applications and shall be treated with a non-toxic, non-flammable, odorless adhesive. The paint arrestor media is engineered for various paint over-spray applications and does not contain adhesive.

Polyester: Shall consist of 100% non-woven polyester fibers bonded together. The polyester pre-cut pads and bulk media are engineered for a variety of applications and available in single or multi-ply grades. The polyester pre-cut pads and bulk media are available dry or treated with a non-toxic, non-migratory, odorless adhesive that is incorporated into the filter media.

Holt Filters Inc. offers a full line of pre-cut pads and bulk media and offers a variety of options in systems utilizing a permanent frame or holding system. From pre-filters to primary filters, including paint arrestor applications, Glasfloss pre-cut pads and bulk media are proven performers and manufactured to exact specifications to assure consistent performance.

(Minimum Efficiency Reporting Value) are used by the HVAC (Heating, Ventilating and Air Conditioning) industry to describe a filter's ability to remove particulates from the air. A higher MERV rating means better filtration and greater performance. Holt Filter's Inc. now provides both MERV 7 and MERV 11 HVAC air filters.


Media Type Color Nominal Thickness Media Structure Adhesive Backing
Commercial White 1” & 2” Progressive Density Fiberglass Light “Skin”
Paint Arrestor Green/White 2-1/2” Progressive Density Fiberglass - “Skin”
Hi-Pak Yellow/White 3” Progressive Density Fiberglass Heavy “Skin”
HL-4 HL-8 White White 1” 2” Non-Woven Polyester -- --
125-4P 125-7P Blue/White Blue/White 5/8” 1” Non-Woven Polyester Moderate Moderate --
P5T Green/White 1/2” Multi-ply Polyester Moderate -
P10T Orange/White 1” Multi-ply Polyester Moderate -
P20T Orange/White 2” Multi-ply Polyester Moderate -
Hoghair Blue 1” Synthetic Fibers - -

Frame Sets and Bulk Media
Air Filters

  1672 N. Hercules Ave. Unit G
Clearwater, FL 33765

Phone: 727-449-8448
Fax: 727-449-8948


Call or Fax us your Commercial, Residential or Custom filter needs.

We not only ship locally, we ship anywhere in the continental United States.

Commercial Air Filters                            Residential Air Filters