Ningbo Golma-Cool Ventilation Parts Co., Ltd.

Material:Aluminum,Frame thick:1.0mm

Feature:

Assembled before powder coated or anodized Ideal for return air application 15*15mm or 12.7*12.7mm square lattice core

The blades can be 0 or 30 degree

Different size can be request

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

     600 X 300                        575 X 275              595 X 295

     600 X 600                        575 X 575              595 X 595