The CFP 640 has a maximum flood volume of 672 cubic feet (8.2 x 8.2 x 10 ft), 7 lb capacity, unit weight 19.25 lbs, ship weight 23.25 lbs, Worthington cylinder 7.5 inches in diameter. Temperature rating is -20 to 120 degrees F. Approvals: UL, ULC, CSFM, NYC #5754. Standard activation at 155 degrees F.