|  NUN 200х200 Air pass - 0.0066 m2. |  NVN 300х200 Air pass - 0.0106 m2. |  NVN 1350х300 Air pass - 0.0857 m2. |  NVN 1500х300 Air pass - 0.0989 m2. |  NVN 350х200 Air pass - 0.0134 m2. |
| Air pass, [m² ] | 0.0066 | 0.0106 | 0.0857 | 0.0989 | 0.0134 |
|  NVN 400х200 Air pass - 0.0147 m2. |  NVN 450х200 Air pass - 0.0174 m2. |  NVN 500х200 Air pass - 0.0202 m2. |  NVN 600х200 Air pass - 0.0243 m2. |  NUN 300х300 Air pass - 0.0169 m2. |
| Air pass, [m² ] | 0.0147 | 0.0147 | 0.0202 | 0.0243 | 0.0169 |
|  NVN 350х300 Air pass - 0.0213 m2. |  NVN 400х300 Air pass - 0.0234 m2. |  NVN 450х300 Air pass - 0.0278 m2. |  NVN 500х300 Air pass - 0.0322 m2. |  NVN 600х300 Air pass - 0.0387 m2. |
| Air pass, [m² ] | 0.0213 | 0.0234 | 0.0278 | 0.0322 | 0.0387 |
|  NUN 350х350 Air pass - 0.0367 m2. |  NVN 400х350 Air pass - 0.0293 m2. |  NVN 450х350 Air pass - 0.0348 m2. |  NVN 500х350 Air pass - 0.0402 m2. |  NVN 600х350 Air pass - 0.0484 m2. |
| Air pass, [m² ] | 0.0267 | 0.0293 | 0.0348 | 0.0402 | 0.0484 |