Material: aluminum-profile
Surface treatment: options
Mesh: zinc plated round bar -dia 5mm
Seal:double-EPDM strip
| Item code | Spec | External dimensionsmm | Clear opening mm | Heightmm |
| 312101 | 200*200 | 200*200 | 128*128 | 55 |
| 312102 | 300*300 | 300*300 | 228*228 | 55 |
| 312103 | 400*400 | 400*400 | 328*328 | 55 |
| 312104 | 500*500 | 500*500 | 428*428 | 55 |
| 312105 | 600*600 | 600*600 | 528*528 | 55 |
| 312106 | 700*700 | 700*700 | 628*628 | 55 |
| 312107 | 800*800 | 800*800 | 728*728 | 55 |
| 312108 | 900*900 | 900*900 | 828*828 | 55 |
| 312109 | 1000*1000 | 1000*1000 | 928*928 | 55 |
| 312201 | 300*400 | 300*400 | 228*328 | 55 |
| 312202 | 400*500 | 400*500 | 328*428 | 55 |
| 312203 | 500*600 | 500*600 | 428*528 | 55 |