Air Inlet - Durable Stainless Steel And Anti-ultraviolet Plastic | Low Resistance Nylon Pulley, Seamless Closure, Multi-angle Ventilation

We are offering our client an excellent quality range of Air Inlet.
Air inlet main components:
Windows: Plastic contains the anti-ultraviolet raw material, making it longevity.
Protection Net: Reasonable structure, material is Polypropylene.
Nylon Pulley: Designed by patent organization, it is of rolling friction when turning on or off, low resistance and easy opening and closing.
Return Spring: High-quality stainless steel spring, durable and rust less
Pulley Accessories: Rigidity hard-drawn wire round steel, ensuring accurately opening.
Characteristics of Air Inlet
1.The open-close of air inlet adopt Nylon pulley and rolling friction, the resistance is low, and inner s filled with 20mm Polystyrene to ensure the warm-keeping of the air inlet
2.A group of air inlet could be opened at three angles which can realize ever ventilation
3.To realize uniform ventilation, angle of inlet near the fan should be smaller than those far from it.
4.Plastic contains the anti-ultraviolet raw material, making it longevity.
5.The spring of air inlet is stainless steel material, which is durable, rust less and not of shape, the ethnics is delicate and ensure to be seamless after closing the air inlet.