This louvered vent cover is good for 4" vent pipes and is suitable for a wide range of applications. It is perfect for use in bathrooms, kitchens, and laundry rooms, as well as in industrial settings. Whether you need to vent air conditioning units, kitchen fans, or gas and electric dryers, this vent cover is the perfect solution. It is also easy to install and comes with all the necessary hardware, making it a great choice for DIY enthusiasts.Specification:Material: ABS Plastic, Stainless SteelColor: WhiteTotal Size: 175x175x49mm / 6.9"x6.9"x1.93"Diameter: 150mm / 5.91"Packing Listing: 2 x Wall VentAdvantage:Made of ABS plastic, which is sturdy and durable. It features a slanted louver design, which effectively prevents rainwater from entering the interior and keeps it dry.