| Model: | KH1(SS) |
| Filter: | KH1250SS |
| Depth: | 5½" |
| Orientation: | Vertical or Horizontal |
| Frame Material: | 16 ga. 304 Stainless Steel |
| Frame Type: | Hat Channel; Flat Head and Sill for sizes thru 13" High |
| Blade Material: | 16 ga. Single Thickness 304 Stainless Steel |
| Blade Action: | Parallel |
| Blade Seals: | Silicone |
| Jamb Seals: | Stainless Steel |
| Bearings: | 304 Stainless Steel |
| Axles: | Plated Solid Steel Sub |
| Linkage: | 304 Stainless Steel In-Jamb |
| Stops: | 18 ga. 304 Stainless Steel Angles at Head and Sill |
| Sleeves: | 20 ga. Stainless Steel |
| Actuator: | Electric 120V, 24V, or 230V / Pneumatic Factory installed for power-open/spring-close (fail close) operation External Left Hand Mount |
| Finish: | Mill |
| Max Differential Pressure: | 4 in. w.g. |
| Max Velocity: | 2000 or 3000 FPM |
| Leakage Rating: | 4 cfm per ft2 Max at 1 in. w.g. 8 cfm per ft2 Max at 4 in. w.g. |