Ideal for heavy workloads and is a fiberglass media.
| Description | Case Quantity |
| 8x16x1 | 1 |
| 8x30x1 | 1 |
| 10x10x1 | 1 |
| 10x20x1 | 1 |
| 10x24x1 | 1 |
| 10x25x1 | 1 |
| 10x30x1 | 1 |
| 10x36-1/4x1 | 1 |
| 12x12x1 | 1 |
| 12x16x1 | 1 |
| 12x18x1 | 1 |
| 12x20x1 | 1 |
| 12x24x1 | 1 |
| 12x25x1 | 1 |
| 12x30x1 | 1 |
| 12x30-5/8x1 | 1 |
| 14x14x1 | 1 |
| 14x20x1 | 1 |
| 14x24x1 | 1 |
| 14x25x1 | 1 |
| 14x24 | 1 |
| 14x30x1 | 1 |
| 15x20x1 | 1 |
| 15x25x1 | 1 | 15x30x1 | 1 |
| 15x30-5/8x1 | 1 |
| 16x16x1 | 1 |
| 16x20x1 | 1 |
| 16x22-1/4x1 | 1 |
| 16x24x1 | 1 | 16x25x1 | 1 |
| 16x30x1 | 1 |
| 18x18x1 | 1 |
| 18x20x1 | 1 |
| 18x24x1 | 1 |
| 20x20x1 | 1 | 20x22-1/4x1 | 1 |
| 20x24x1 | 1 |
| 20x25x1 | 1 |
| 20x30x1 | 1 |
| 22x22x1 | 1 |
| 24x24x1 | 1 | 20x25x1 | 1 |
| 20x30x1 | 1 |
| 22x22x1 | 1 |
| 24x24x1 | 1 |
| 24x30x1 | 1 |
| 24x25x1 | 1 |
| 25x25x1 | 1 |
| 10x10x2 | 1 |
| 10x20x2 | 1 |
| 12x24x2 | 1 |
| 14x20x2 | 1 |
| 14x25x2 | 1 |
| 15x20x2 | 1 |
| 16x16x2 | 1 |
| 16x20x2 | 1 |
| 16x24x2 | 1 |
| 16x25x2 | 1 |
| 18x24x2 | 1 |
| 20x20x2 | 1 |
| 20x24x2 | 1 |
| 20x25x2 | 1 |
| 20x30x2 | 1 |
| 24x24x2 | 1 |
| 25x25x2 | 1 |