The principal application of SpeedLock heavy wall duct is ideal for any manufacturing industry where particularly aggressive or abrasive fumes, dust or other suspended airborne matter must be extracted.
Code FH

Dimensional Specifications
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FH400
|
400
|
405
|
439
|
465
|
6.0
|
30
|
11
|
16
|
2.080
|
FH450
|
450
|
455
|
489
|
515
|
6.0
|
30
|
11
|
16
|
2.321
|
FH500
|
500
|
505
|
540
|
565
|
6.0
|
30
|
11
|
16
|
2.561
|
FH550
|
550
|
535
|
590
|
615
|
6.0
|
30
|
11
|
16
|
2.802
|
FH600
|
600
|
605
|
640
|
665
|
6.0
|
30
|
11
|
16
|
3.043
|
FH630
|
630
|
635
|
670
|
695
|
6.0
|
30
|
11
|
24
|
3.188
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FH650
|
650
|
655
|
690
|
715
|
6.0
|
30
|
11
|
24
|
3.284
|
FH700
|
700
|
705
|
750
|
785
|
6.0
|
40
|
11
|
24
|
3.525
|
FH750
|
750
|
755
|
800
|
835
|
6.0
|
40
|
11
|
24
|
5.085
|
FH800
|
800
|
805
|
850
|
885
|
6.0
|
40
|
11
|
24
|
5.406
|
FH850
|
850
|
855
|
900
|
935
|
6.0
|
40
|
11
|
24
|
5.727
|
FH900
|
900
|
905
|
950
|
985
|
6.0
|
40
|
11
|
24
|
6.084
|
FH950
|
950
|
955
|
1000
|
1035
|
6.0
|
40
|
11
|
24
|
6.370
|
FH1000
|
1000
|
1005
|
1050
|
1085
|
6.0
|
40
|
11
|
24
|
6.691
|
|