451636-0107-TGR-in.pdf TGR / TMR Rigid VELUX SUN TUNNEL Skylight Installation Instructions - Prior Edition (01/07 - 03/09) 56K Download Time: 5.55 min.  Send to a Friend     451636-0409-TGR.pdf TGR / TMR Rigid VELUX SUN TUNNEL Skylight Installation Instructions - Current Edition (04/09) 56K Download Time: 7.16 min.  Send to a Friend     Dual Clear diffuser.pdf Dual Clear Diffuser Instructions 56K Download Time: 0.27 min.  Send to a Friend     Frosted Dome.pdf Frosted Dome Mounting Installation 56K Download Time: 0.22 min.  Send to a Friend