QXN 40 a new descreet yet effective heat and UV rejection solution Descreet and effective heat and UV rejection with QXN 40 at the KTH Royal Institute of Technology library Read Next One-way mirror film improves learning conditions at the Vallet School in France Silver 20, a smart, cost-effective privacy, security and comfort solution Sentinel Plus Silver 20 controls heat at the Genappe Town Hall (Belgium)
