GRAINGER Air Filter Pad: 10 in x 10 in x 1 in, Fiberglass

The GRAINGER Air Filter Pad 6U639 is a general-use fiberglass pad designed for HVAC and ventilation systems to capture airborne dust and particles. It is commonly used in residential and light commercial air handlers, furnaces, and return-air grilles where a 10 in x 10 in x 1 in disposable filter is required.

The GRAINGER Air Filter Pad 6U639 measures 10 in x 10 in x 1 in and is made of fiberglass. It is blue and white in color, is not washable, and is manufactured by GRAINGER. The manufacturer part number is 6U639. This pad is intended for general-use filtration applications.

You can source the GRAINGER Air Filter Pad 6U639 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive sourcing for this and other GRAINGER filtration products.

To install the GRAINGER Air Filter Pad 6U639, turn off the HVAC system, remove the access panel, and slide the old filter out. Insert the new pad with the airflow arrow (if marked) pointing toward the blower. Ensure a snug fit in the filter slot, then replace the panel and restart the system. Replace every 1–3 months for best performance.