1. Designed for wall or ceiling installation.
2. Constructed with a sturdy galvanized steel frame and lid.
3. Features a flange frame finish.
4. Available in white powder coating or custom colors.
5. Offers high durability and corrosion resistance.
6. Equipped with a non-removable steel bar hinge door.
7. Installed using screws through pre-drilled frame holes.
8. Includes a slotted lock mechanism.
9. Standard sizes: 20×20, 30×30, 40×40, 45×45, 50×50, 60×60.
10. All frames are welded for structural integrity.
11. Custom sizes are available upon request.
12. Packaging: Each unit is individually poly-bagged, shrink-wrapped, and boxed in cartons.
Advantage:
No painting required after installation.
Regular size
| Item | Neck Size(mm) | Neck size N1×N2(mm) |
Opening size W1×L1(mm) |
Overall size W2×L2(mm) |
| HFSS-AP240 | 6x6 | 130x130 | 152x152 | 206x206 |
| 8x8 | 181x181 | 203x203 | 257x257 | |
| 10x10 | 232x232 | 254x254 | 308x308 | |
| 12x12 | 327x327 | 305x305 | 359x359 | |
| 14x14 | 378x378 | 356x356 | 410x410 | |
| 16x16 | 384x384 | 406x406 | 460x460 | |
| 18x18 | 436x436 | 458x458 | 512x512 | |
| 24x24 | 587x587 | 609x609 | 663x663 |