Feature 1The diameter of the air vent grille with adjustable wind direction is about 165mm, and the wind flow is larger. 2There are up to two blades that can be adjusted to change the air flow. Also two of blades can be detached to get a largest air flow. 3The installation is extremely easy and fast, no complicated tools required, greatly save your time and frustration. 4Made of UVresistant ABS materials, with strong toughness, corrosion resistance, yellowing resistance, and longlasting durability. 5The applicability is extensive, suitable for situations such as yachts, ships, RVs, bathrooms and toilets.Item Type: Air Vent GrilleMaterial: ABSDiameter: Approx. 164mm/6.5inFunction: Vents, air inlets and outlets, adjustable wind directionApplication: Yachts, ships, RVs, bathrooms and toilets, etc. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Air Vent Grille