| Manufacturer | Product |
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|---|---|---|---|---|---|---|---|---|---|---|
| Metro Performance Glass | LowE Xcel IGUs (double glazing, excluding framing) | |||||||||
| Metro Performance Glass | LowE Xtreme IGUs (double glazing, excluding framing) | |||||||||
| Metro Performance Glass | SunX Grey Low E IGUs (double glazing, excluding framing) |