XF98 PU foam slat, Insulation
Windpfoof Wheel (Patent No.: ZL201220167671.3)
Windproof rail
Aluminum alloy or steel optional
Rolling support
Patent No.: ZL201220168038.6
Packaging:
1) Shutter Slat 10pcs/Pack
2) Shaft: bulk
3) Rail; 1set/ pack
4) Motor 1set/pack