Gravity Louvre Shutter 549x549mm Frame
A gravity-operated PVC shutter for ventilation systems, designed to open fully at low air velocities and reduce air resistance.
- The description claims the shutter reduces air resistance and pressure loss.
- The description claims the shutter is durable and weather-resistant.
- The description claims the shutter operates at a wide temperature range of -30°C to +60°C.
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