High-quality white powder-coated metal 5 inch / 125mm adjustable ceiling air extract vent. Male spigot will fit inside Kair 125mm Round Pipe or 127mm Flexible Hose. Designed to extract air. If you are looking to supply air we recommend using our Kair supply valve. Aesthetically pleasing wipe-clean design suitable for internal use. The air flow is adjusted by rotating the control disc and locking with a lock nut when set., Weight: 0.79 Pounds, Manufacturer: Kair