640-4790
Specifications:
- Total Open Area: 43.6 sq. in.
- Frame Size: 10.375" x 10.375"
- Floor Flow Rate: 240 GPM 3" plumbing
- Wall Flow Rate: 208 GPM 3"plumbing
- Flow Rate @ 1.5 ft/sec: 203 GPM
9" x 9" Grate and Frame
| Part No. | Description | Case Quantity |
| 640-479x V | 9" x 9" Grate & Frame | 13 |
Replace the final x in the part number with the color of your choice (see Color Guide for colors)
640-4720 V
Specifications:
- Total Open Area: 62.4 sq. in.
- Frame Size: 13.250" x 13.250"
- Floor Flow Rate: 356 GPM, 4" plumbing
- Wall Flow Rate: 280 GPM, 4" plumbing
- Flow Rate @ 1.5 ft/sec: 292 GPM
12" x 12" Grate and Frame
| Part No. | Description | Case Quantity |
| 640-472x V | 12" x 12" Grate & Frame | 10 |
Replace the final x in the part number with the color of your choice (see Color Guide for colors)