301DC-6 Size: 25" H x 16" W x 1" D Features: -Ideal for high velocity equipment. -Attracts and captures household dust. -For residential use only. Product Type: -Air filter. Dimensions: Filter: -Yes. Size 20" H x 16" W x 1" D - Filter Height - Top to Bottom: -20". Size 20" H x 16" W x 1" D - Filter Depth - Front to Back: -1". Size 25" H x 16" W x 1" D - Filter Width - Side to Side: -16". Size 25" H x 20" W x 1" D - Filter Height - Top to Bottom: -25". Size 25" H x 20" W x 1" D - Filter Width - Side to Side: -20". Size 25" H x 14" W x 1" D - Filter Width - Side to Side: -14".