-25mm PU sandwich panel effectively decreases noise and fiber glass sandwich panel is optional;

-Wheel balance level up to G2.5;

-Aluminum alloy frame with light weight, corrosion resistance and rust resistance, long service life, low air leakage;

-Fan cabinet resistant pressure up to 2500 Pa without deformation and obvious vibration;

-Compact size provides easy installation on jobsite;

-Access door guarantees easy maintenance.