Y-4
40% light transmittance
Excellent Energy Efficiency
Y-2
22% light transmittance
Excellent Energy Efficiency
Y-1
10% light transmittance
Excellent Energy Efficiency
Y-3
30% light transmittance
Excellent Energy Efficiency
Y-5
55% light transmittance
Excellent Energy Efficiency
Y-7
70% light transmittance
Excellent Energy Efficiency