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Product Description
| Model | Nominal size | Window frame size | Cut-out size | Louver plates quantity(Sheet) | Weight(Kg) | |||
| W*L | W1*L1 | W2*L2 | W3*L3 | Fixed type | Closure-able type | Fixed type | Closure-able type | |
| A | 300*425 | 350*475 | 405*530 | 355*480 | 8 | 7 | 3 | 3.3 |
| 35*500 | 405*550 | 460*605 | 410*555 | 9 | 8 | 3.4 | 3.8 | |
| 400*560 | 450*610 | 505*665 | 455*615 | 10 | 9 | 3.9 | 4.3 | |
| 450*630 | 500*680 | 555*735 | 505*685 | 11 | 10 | 4.5 | 5.1 | |
| 500*710 | 550*760 | 605*815 | 555*765 | 12 | 11 | 6.1 | 6.7 | |
| B | 710*500 | 760*550 | 815*605 | 765*555 | 9*2 | 8*2 | 6.4 | 7.1 |
| 800*560 | 850*610 | 905*665 | 855*615 | 10*2 | 9*2 | 7.2 | 7.9 | |
| 900*630 | 950*680 | 1005*735 | 955*685 | 11*2 | 10*2 | 8.4 | 8.9 | |
| 1000*710 | 1050*760 | 1105*815 | 1055*765 | 12*2 | 11*2 | 9.6 | 10.4 | |
