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The manual bracket uses a stainless steel actuation method for durability. The cable slides into the bracket and is secured inside the stainless detent pin. When the cable is pulled, it releases the spring-loaded butterfly flap to the closed position.

| Size | Type | Model Number |
|---|---|---|
| 1 ¾” | Manual Cable | 175 MC |
| 2” | Manual Cable | 200 MC |
| 2 ¼” | Manual Cable | 225 MC |
| 2 ½” | Manual Cable | 250 MC |
| 2 ¾ | Manual Cable | 275 MC |
| 3” | Manual Cable | 300 MC |
| 4” | Manual Cable | 400 MC |
| 5” | Manual Cable | 500 MC |
| 6" | Manual Cable | 600 MC |
