Room Unit Air Filters

Replacement filters for packaged terminal air conditioners

Designed for a wide range of self-contained heating and air conditioning units, UAF aftermarket replacement air filters are custom made to meet your precise PTAC requirements.

Applications PTAC units are popular in hotels, office buildings, condominiums, apartment buildings and even those hard to reach spaces in residential homes!

Frame Windowpane style frames maintain necessary rigidity, keeping their shape and staying in place with an innovative “frame-n-pane” design that integrates the frame and a series of reinforcing intermediates that provide media support. Pane sizes and frame thickness are customized to the equipment’s needs

Media  Unifoam is an open cell polyurethane foam which meets UL900 specially formulated to meet a UL 94 HF-1 flame safety rating.  The random arrangement of strands and pores make this a filter media have tremendous dust-holding capacity and arrestance.

Quadrafoam and Quadrafoam II are open cell polyurethane foam. Quadrafoam and Quadrafoam II feature deep loading, high dust holding capacity and low air flow resistance for use in extremely wide climatic conditions.

Metal Mesh screens of aluminum and stainless steel may also be specified for long-lasting durability in harsh environments and applications requiring extremely thin, low profile frames.



  • Avoid purchasing, inventory, distribution costs
  • Last several years depending on environment
  • Sustainability-friendly
  • Reduce waste



Framed Filters

Roll-Formed Channel +/- 0.06″ length & width, +/- 0.03″ thickness.

WIndowpane: +/- 0.03″ length, width, and thickness

Hotel HVAC Air Filters

UAF supports full compliance with stringent computer networking standards:

  • UL 60950
  • NEBS
  • UL 94 HF-1
  • FIPS
  • CE (EN 60950)
  • ETSI
  • Custom-Pleat-High-Efficiency-Filter

    High Efficiency Filters

    Pleated high efficiency air filters are designed for HVAC and industrial / commercial enclosure applications requiring MERV 11-15 dust efficiency and low airflow resistance

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  • Product_Polyester_Photo_2

    Polyester Air Filters

    Polyester air filters offer high dust arrestance & low resistance when installed in electronics, computer, telecom, datacom, medical and general purpose equipment.

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  • Product_Unifoam_Photo_1

    Uni-Foam Air Filters

    Designed to provide high dust arrestance where a permanent, cleanable filter is required in medical, electronics, computer, telecom, datacom & general purpose equipment.

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  • Product_Polyfold_Photo_1

    Polyfold Air Filters

    Polyfold filters are excellent for filtration where high dust-holding capacity & low resistance are important. Uni-Foam & Quadrafoam™ media are used for permanent, cleanable applications.

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Two Ways to Request Free Air Filter Prototypes

Provide us your Filter Specs

Provide us your dimensions and other details. A custom air filter prototype will ship in 5 days.

Request a FREE Prototype


Design Your Filter Using 3D CAD

Use UAF's 3D CAD tools to design your filter. Submit CAD drawings for a free prototype based on your specifications.

Go to 3D CAD

Contact a UAF Engineer

Get advice on custom projects or replacement parts.
Contact UAF

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