Round duct filter OFK
OFK round duct filter is used for initial filtration of flowing air in round duct systems. Filtering element is EU5 class insert secured with galvanized steel mesh. Casing is made of galvanized steel, with gaskets on both ends. Construction ensures easy and fast assembly.
| øD [mm] | L [mm] | Box [pcs | type] | |
| 100 | 80 | 24 | P12 |
| 125 | 80 | 16 | P12 |
| 150 | 80 | 10 | P12 |
| 160 | 80 | 20 | P6 |
| 200 | 80 | 20 | P4 |
| 250 | 95 | 8 | P4 |
| 300 | 105 | 12 | P2 |
| 315 | 105 | 12 | P2 |
| 355 | 105 | 4 | P6 |
| 400 | 105 | 6 | P2 |
| 450 | 105 | 5 | P2 |
| 500 | 105 | 5 | P2 |
Tolerance of linear dimensions: L ±5 mm; other ±2 mm.

Catalogs and brochures:
Product Catalogue | Warsaw
update: 2026-05-08 | type: PDF | size: 28,22 MB | downloads: 5226 Product Overview | Warsaw
update: 2026-03-20 | type: PDF | size: 4,82 MB | downloads: 1932
update: 2026-05-08 | type: PDF | size: 28,22 MB | downloads: 5226 Product Overview | Warsaw
update: 2026-03-20 | type: PDF | size: 4,82 MB | downloads: 1932
Documents:
Terms of Deliveries of the Products of Lindab Sp. z o.o. for Foreign Deliveries
update: 2024-07-11 | type: PDF | size: 207 kB | downloads: 805 General Guarantee Terms and Conditions
update: 2024-08-20 | type: PDF | size: 179 kB | downloads: 769 Claim notification
update: 2024-09-17 | type: PDF | size: 106 kB | downloads: 714 General Terms and Conditions of Sale for Foreign Deliveries
update: 2024-12-15 | type: PDF | size: 398 kB | downloads: 515
update: 2024-07-11 | type: PDF | size: 207 kB | downloads: 805 General Guarantee Terms and Conditions
update: 2024-08-20 | type: PDF | size: 179 kB | downloads: 769 Claim notification
update: 2024-09-17 | type: PDF | size: 106 kB | downloads: 714 General Terms and Conditions of Sale for Foreign Deliveries
update: 2024-12-15 | type: PDF | size: 398 kB | downloads: 515
Contacts
For general inquiries - please e-mail us at: sales@directvent.eu
You can also contact our sales people in Poland directly.

