▪ Magnet: None ▪ Mounting: B (Basic) ▪ Standard Shaft Type: W (Double Shaft with Single Flat) ▪ Angle Adjusting Unit: None ▪ Size: 10 ▪ Rotation Angle - Vane: 90S (Angle: 90 Single Vane) ▪ Port: Side ▪ Auto Switch: No Switch ▪ Number: 2 pcs. (Or None in the Case of No Switch)