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Honeywell Replacement: 20x20x5

HW – 503 air filters, replaces Honeywell Part number 203721.  Free Shipping on all online orders.

SKU #HW-503

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Product Description

Airguard Honeywell replacement filters are built for dependability and durability.

The Honeywell replacement filter model HW-503 replaces Honeywell part number 203720.

Actual Dimension: 19-3/4x20x4-3/8


Additional information

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We carry air filter replacements for all makes and models across all industries, from standard panels for residential use.

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