Overview Reviews Product Description Plastic Louvre Vent Black ABS plastic vents. Rounded style corners 4 x 4mm countersunk fastening holes 200mm x 100mm. 6 louvres Product Videos Custom Field Product Reviews Write a Review Write a Review × Louvre Vent 200 x 100mm Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *