Skylux 160° CE met koepel en polyester opstand 50 20 met LM motor en windvang 1500 x 1500 mm KOPV2000B 0 0600 0900 Is this electric roof access Is this electric roof access with PVC curb 30 20 & iWindow3 flat roof window 900 x 1200 mm Please note 0 openable version with opal glass 0600 x 1200 mm: 90 73 63 20 Double walled Opal (A D) 2 17 49 59 Heatstop PC Double walled Clear (T H) 2