Okryain Ventilation Vent Cover, Rotating Air Intake, Duct Vent, Indoor Ventilation Vent, Ventilation Parts for Natural Ventilation, Connects To Duct H

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1. KEY FEATURES: - Ventilation vent Ventilation surface size: 210mm, mounting surface size: 146mm, material: ABS, vent type: Rotating type.Vent opening: counterclockwise, vent closing: clockwise, recommended exhaust hose connection size: Φ150MM. - Rotation Adjustment Rotate the panel in the center of the vent counterclockwise to open the vent cover.Rotate the panel in the center of the vent clockwise to close the vent cover.You can freely adjust the width of the opening and closing of the vent to your preference. - Easy to Clean & Side Adjustment Valve The round vent cover not only has a stylish appearance, but compared to the glazed vent type, it is less likely to accumulate dust and is easier to maintain.There are three adjustment valves on the side of the ventilation port, and it is designed to be firmly fixed and prevent it from falling when connected to the duct hose. - Installation location & number of installations Location of the air supply vent: Install it at the top of the room as much as possible.We have established a standard that requires at least two vents with a diameter of 150 mm to be installed per 30 square meters of room area. - Safe 30-day returns We want our customers to be able to try OOPPEN products with peace of mind, so we will accept returns and refunds within 30 days after purchase.We make every effort to ensure the quality of our products, but in the unlikely event that there is a problem with the product or you are not satisfied with it, please contact us through your Amazon purchase history and include your order number.

3. PRODUCT DIMENSIONS & WEIGHT: - Weight: 0.24 kg - Dimensions: 21.2 x 21.0 x 8.6 cm