Overview Product Description NilAIR valves are barely visible in the room. They have a low height, thus giving a good quanda effect. Product Videos Custom Field Product Reviews Write a Review Write a Review × Nilan KU - Extraction valve Ø100 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *