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Accumulair® Filter for Armstrong®
Fits Armstrong® Models:
Nominal size 20" x 25" x 5" (Actual size 19 5/8" x 24 3/8" x 4 3/4")
Pre-applied gasketing on the assembled filter prevents air by-pass.
High efficiency filter media collects small dust particles before they can collect on your coils.
Superior frame strength utilizing double wall construction and die cut fingers.