The MaxxAir SkyMaxx Rooflight 400x400mm 23-60mm is suitable for new and replacement installs for 400mm x 400mm apertures.
As well as fitting the popular Heki 400mm x 400mm aperture, The Skymaxx has been designed to suit aperture depths from 23mm-60mm.
Forced and non-forced ventilation is made possible as the Skymaxx rooflight comes with clever interchangeable panels that convert it from a vented to a non-vented unit.
The Skymaxx comes with or without LED lighting, use the drop down box to select which version you require.  
Key features:
Manual lift with 3 open positions
Pleated screen and blind provides the option of full sun, full shade or partial shade/sun
Fits 400 x 400mm roof apertures
Forced and non-forced ventilation options (interchangeable panels included)
Fits 23mm to 60mm roof thickness, no cutting or adapters required
CE and R43 approval. ROHS compliant