SIZE: Designed for mounting in any ceiling connected to a ventilation system with ducting to 100 mm Dia 4" connection. Discreet aesthetically pleasing design which is suitable for flush fitting against ceilings and walls. CONSTRUCTION: Made of high-quality nontoxic material, environmentally friendly, safe, robust and durable to use. Prime Quality DPR ceiling register is UV protected to prevent yellowing over time. DESIGN: Simple design, fashionable appearance, good workmanship and is of excellent quality. Diffusing air in different directions to reduce drafts and cold zones, which is particularly beneficial when mounting in living areas, bedrooms, and offices. INSTALLATION: Easy to clean and non-reflective white surface air valve. Simple and secure to install. Supplied with an insect mesh. Can be perfectly mounted on the ceiling or on the wall and is also very easy to disassemble for convenient cleaning. APPLICATION: Can be used for extract and supply air ducts. Designed for handling high air volumes at comparatively low sound levels and give a smooth even distribution of air. This ventilation grille combined with any inline fan will solve the steam and draught problems in any bathroom. Ideal for bathroom vents & extractors, air conditioning units, kitchen fans & vents, all home wall vents, heat transfer and ventilation systems, as well as a wide variety of industrial uses., Weight: 0.5070632026 pounds, Manufacturer: ‎Blauberg UK