Our Air Vent Grille are made of high-quality ABS-plastic to ensure its durability. High-Quality Access doors (of ABS plastic) allow easy access to built-in inspection holes containing elements that require frequent or periodic inspection, such as water valves and water or gas meters. Because of their design and the ABS material of which they are made, these hatches are highly resistant to chemical agents and temperature. Simple to Fit. Dimensions: A-200mm, B-200mm, X-218mm, Y-218mm, Z-20mm., Manufacturer: Prostko LTD