Product Details The DWT‑series axial‑flow roof fan features wide twisted inclined blades to reduce noise during low‑speed operation. It has 17 specifications with wide air volume and pressure range, and models No.12 and above adopt adjustable blades for energy‑saving and noise reduction. Equipped wi
Product Details The DWT‑series axial‑flow roof fan features wide twisted inclined blades to reduce noise during low‑speed operation. It has 17 specifications with wide air volume and pressure range, and models No.12 and above adopt adjustable blades for energy‑saving and noise reduction. Equipped wi
