- Screw down adjustable knob keeps window in required position
- Excellent night ventilation
- Allows multi locking opening positions
- Available in 10″ / 254mm length only
- Supplied with screws
- Fastener plate: 44 x 14mm
- Slider plate: 45 x 20mm
$ 15.96
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$ 47.96
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$ 39.00
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$ 15.20
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