Frame Dimensions (mm)
200x200、300x300、400x400、550x550
Cover Dimensions (mm)
140x140、240x240、340x340、490x490
Clear Opening (mm)
100x100、200x200、300x300、450x450
Frame Dimensions (mm)
dia200、dia280、dia360、dia480
Cover Dimensions (mm)
dia150、dia230、dia300、dia405
Clear Opening (mm)
dia135、dia220、dia285、dia385
Frame Dimensions (mm)
280x420
Cover Dimensions (mm)
214x354
Clear Opening (mm)
170x310
Frame Dimensions (mm)
Cover Dimensions(mm)
406x609
Clear Opening (mm)
Frame Dimensions (mm)
200x200、300x300、400x400、550x550、600x600
Cover Dimensions (mm)
140x140、240x240、340x340、490x490、540x540
Clear Opening (mm)
100x100、200x200、300x300、450x450、500x500
Frame Dimensions (mm)
dia715
Cover Dimensions(mm)
dia638
Clear Opening (mm)
dia600
Frame Dimensions (mm)
1000x500
Cover Dimensions(mm)
938x438
Clear Opening (mm)
900x400
Frame Dimensions (mm)
1000x500
Cover Dimensions (mm)
938x438
Clear Opening (mm)
900x400