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Ventilation Grilles with filter
Type LF
- Air grille with filter for inside and outside use
- Outdoor weathering resistant (UV-stabilized)
- Suitable for an operating temperature range of -30° C to +60° C
- Opening angle 50°
- Specific design guarantees high durability
- Manufactured of high standard ecologically friendly plastic
- Cross-axing roll adjustment prevents penetration of rain water
- Wall or ceiling fixing possible due to integrated bore holes (4 mm)
- Set of fastening parts included
- Filter can be changed easily and the cleaning is possible several times (e.g. with soap solution)
- Classification according to EN 779 G3, fire behavior according to DIN 53438 F1, degree of separation 81%
- Types LF 40-55 consist of four fields with a circumferential frame, packed in a carton box
Square Type
| Type | Article-No. | H/B | LA | T | Free cross-section (cm²) |
|---|---|---|---|---|---|
| white | |||||
| LF 20 | 21000920 | 232 | 209 | 30 | 538 |
| LF 25 | 21000930 | 281 | 258 | 30 | 789 |
| LF 30 | 21000940 | 331 | 308 | 30 | 1095 |
| LF 35 | 21000950 | 383 | 359 | 30 | 1466 |
| LF 40 | 21001000 | 473 | 442 | 40 | 2237 |
| LF 45 | 21001070 | 572 | 549 | 40 | 3271 |
| LF 50 | 21001090 | 673 | 641 | 40 | 4529 |
| LF 55 | 21001110 | 775 | 742 | 40 | 6006 |
Dimensions in mm. Subject to technical changes – white ~ RAL 9010