Ningbo Golma-Cool Ventilation Parts Co., Ltd.

Material:Aluminum,Frame thick:1.2mm

 Feature:

Designed for return air with filter

Removable or hinged cores for easy access to maintenance of filter inside 15*15mm or 12.7*12.7mm square lattice core high free area:90%

Different size can be request

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

     300 X 300                        280 X 280           332 X 332

      500 X 500                      480 X 480            532 X 532

      565 X 565                       545 X 545           597 X 597