Ningbo Golma-Cool Ventilation Parts Co., Ltd.

Material:Aluminum,Frame thick:1.1mm

Feature:

Ideal for return air application 15*15mm or 12.7*12.7mm square lattice core,the blades Inclined 0°or 30°.

Fixing with SFR frame,removable for maintenance Screws mounting in the ceiling

Specification(mm)     Neck size(mm)       Overal size(mm)

      300 X 300                      280 X 280                324 X 324

       500 X 500                     480 X 480                524 X 524

       570 X 570                     550 X 550                 594 X 594