More details: High quality ABS material:- Durable and environmentally friendly;Smoke-proof sealing strip: - oil and heat resistance, not easy to get oil;Rear spring: - pushes the valve to open and close;Gravity automatic closing valve design - to prevent odor and debris from entering the air duct;Corner arc design: — prevent miscutting;High Density Foam Edge Sealing: — Reduces gaps with walls and improves sealing performance(Note: It is not compatible with 150mm flexible air duct, it is recommended to fix it with aluminum foil tape) (Wall opening diameter: 150mm≤inner diameter≤180mm) (If the air duct diameter>150mm; please remove the minimum size air duct joint mounting ring)Manufactured and measured manually, the product size may be wrong, but the general error is usually about 1-2cmThe color of the picture depends on the ambient light and display factors May be slightly different from actual color. Please pay attention to the actual productwhether with light source: no light sourceThank you for your participation. If you have any questions, please feel free to contact us. We want to provide better products. We have many similar popular products, please enter our store and we will tell you unique styles and special products.
| Item Weight | 500 g |
| Item Weight | 500 Grams |
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