VERPLAS LV9X9 High-Quality Louvre Vent PVC White Plastic Grille 225x225mm\r\n- Ventilator grille cover.- Air vent grill.- Commonly known in the trade as 9x9 louvre vents.- Hit & miss refers to the open/close design.- 225mmx 225mm is the distance from hole to hole.\r\nThe VERPLAS LV9X9 High-Quality Louvre Vent PVC White Plastic Grille 225x225mm is commonly known in the trade as 9x9 louvre vents. This Louvre Vent encourages the flow of air through a building Fixed, built-in flyscreen helps keep out insects and spiders. Suitable for interior and exterior use. Not suitable for use with gas appliances. Suitable for use in most domestic situations including larders, cupboards and wardrobes.\r\nFeatures:\r\n- Colour: White.- Material: Plastic.- Length: 225mm.- Width: 225mm.- Type: Vent.- Size: 225x 225mm.- Shape: Square.- 9x9 louvre vents.- This vent will not rust.- It can be used internally or externally.