Glasfloss 1 Inch AC Furnace Air Filters Case of 12 GDS21211

Standard One Inch Replacement Filters 21 x 21 x 1

Glasfloss GDS21211 Overview

These disposable filters or (throw away filters) are usually the type that comes with your heating and cooling equipment. They are designed to meet the minimum requirements of the manufacturer for protecting the equipment. The media is a woven fiberglass material and the frame is of the heavy cardboard type.

They have a nominal size that is in whole inches. The actual size is a fraction smaller. The nominal 1 inch thickness is actually 3/4 inch.

Nominal Size in Inches - 21 x 21 x 1

Actual Size in Inches - 20 5/8 x 20 5/8 x 3/4

Part # GDS21211

These Filters Are Sold In Cases of 12. Prices are per case quantity.