Adopt the check valve baffle plate, the wind resistance is small, and the air duct is not blocked. Using anti-aging, anti-ultraviolet materials, more durable. Used exclusively for external wall exhaust.
Made with high quality plastic
Modern Design
Details: Adopt the check valve baffle plate, the wind resistance is small, and the air duct is not blocked. Using anti-aging, anti-ultraviolet materials, more durable. Used exclusively for external wall exhaust.
