Kair 100mm / 4 Louvred Vent Grille with Flyscreen for use with Round Ducting internal / external use - White by Kair

Kair White Louvred Wall Vent Grille 155mm External Dimension with Flyscreen and Round 100mm - 4 inch Rear Spigot

Manrose Insulated Ducting 10m x 4"

VENTS UK 100 mm / 4'' White PVC Round Ceiling Ventilation Cover/Plastic Air Vent Diffuser with Fixing Ring for Bathroom Kitchen Hydroponics in-Line Extract Fan Air Conditioning HVAC