Kair Terracotta Louvred Wall Vent Grille 155mm External Dimension with 110mm x 54mm Rectangular Rear Spigot

Terracotta louvred grille with 110mm x 54mm rectangular rear spigot. Female rear spigot on the back fits inside Male 110mm x 54mm Rectangular Duct Pipe. External Dimensions: 155mm x 155mm x 45mm (See Image) Static Pressure Drop in Pascals: 15 l/s = 15.00 Pa - 30 l/s = 48.10 Pa - 60 l/s = 186.90 Pa. Perfectly suited for ducting your Bathroom, Toilet, or Kitchen extractor fan, Hydroponics, In-Line Extract Fans, or Cooker Hood., Weight: 0.1763698096 pounds, Manufacturer: Kair