Mars Air Systems J21120-3 Washable Aluminum Filter Kit for 120 in STD2 Air Doors, (6) 38-3/4 in W x 11-1/2 in H, with Spares

SKU: J21120-3
$319.20
/each
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Mars Air Systems J21120-3 is a washable aluminum filter kit for 120 in STD2 units. The kit includes six 38-3/4 in W x 11-1/2 in H filters and a set of spares.

  • 1/4 in pressed-frame aluminum filters
  • Designed for compatible STD2, PH10, and PH12 air curtain series
  • Easy field installation with no screws or hardware required

Washable aluminum filters

The kit uses washable aluminum filter media.

Six-filter kit

Includes six filters measuring 38-3/4 in W x 11-1/2 in H each.

Set of spares included

Includes a set of spare filters.

Pressed-frame construction

The filters use a 1/4 in pressed aluminum frame.

Easy field installation

The filters are designed for installation without screws or hardware.

Type Filter
Filter material Aluminum
Filter construction 1/4 in pressed frame
Washable Yes
Application width 120 in
Filter quantity 6
Filter dimensions 38-3/4 in W x 11-1/2 in H each
Applicable air curtain series STD2, PH10, PH12
Spares Set included
Filter requirements Meets UL Class 2 filter requirements

Frequently Asked Questions

It includes six washable aluminum filters and a set of spares.
Each filter measures 38-3/4 in W x 11-1/2 in H.
It is designed for 120 in STD2 units and is listed for the STD2, PH10, and PH12 air curtain series.
Yes. The J21120-3 uses washable aluminum filters.
No screws or hardware are required for field installation.

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