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White Greenwood EA Series Slotvent comes with inner and outer part Screws and Data sheet.
Brown Greenwood S Series Slotvent comes with inner and outer part Screws and Data sheet.
Greenwood 3000SF / 4000SF S Series Slotvent comes with inner and outer part & Screws.
DN Vent provides 37dB acoustic attenuation and provides 1400mm2 equivalent area. Available in white and supplied with D Vent for inner vent installation. Manufactured from PVC.
The external unit is hooded to prevent weather ingress; the internal unit is inverted to deflect air supply upwards.
Rout detail: Cut 2 slots of 235mm x 18mm. The slots should be 20mm apart Provides 8000mm² free area ventilation Manufactured from PVCu