环保，低成本：滤网可更换式设计，不需连同箱体更换，
降低成本，节省资源
广用，多元化：适用于各种天花板、轻型钢架，适用性广
美观，轻便化：阳极处理铝型材箱体，材质，重量轻，方
便搬运安装
专业，高品质：配合室内更换型专用滤网，厚度70mm，保
证其性能品质
Environmentally friendly and low-cost: The filter is
replaceable and does not need to be replaced with the
box, which reduces costs and saves resources.
Widely used and diversified: suitable for all kinds of
ceilings and light steel frames, with wide applicability.
Beautiful and lightweight: anode treated aluminum
profile box, material, light weight, convenient for
handling and installation.
Professional and high-quality: with a special indoor
replacement filter with a thickness of 70mm to ensure its
performance quality