Circulation box(cover and fittings available) used in automatic, household, Machinery industry.Any size is available.

Some specifications for references as followed:
Itme Outside size(L*W*H)Inside size(L*W*H) Color Material
A       300*200*148      250*150*123       Grey/Blue PP
B       400*300*148      350*250*123       Grey/Blue PP
C       400*300*280      350*250*255       Grey/Blue PP
D       600*400*280      550*350*255       Grey/Blue PP
H       600*400*148      550*350*123       Grey/Blue PP