The Screw is for Mark 2 front air outlet duct connection adapter.
Length: 1.5inch
Diameter: 0.2inch
Note:
1.This product is only for Zero Breeze Air Conditioner Mark 2. It can't be used for Zero Breeze Air Conditioner Mark 1.
2.If you have purchased mark 2 unit, this accessory is included.
3.Accessories will usually be shipped every Friday.