About the Velux TMR 010 0000 Sun Tunnel, 10″ Tubular Skylight w/Rigid Tunnel Pitched FlashingThe Velux TMR 010 0000 10 in. Impact dome sun tunnel tubular skylight with rigid tunnel and pitched flashing. The Velux Sun Tunnel Tubular Skylights are designed to make your housing space brighter with energyefficient and natural light. The Velux skylights are best installed in rooms with flat ceilings: bathrooms, closets, and hallways. The Velux TMR 010 0000 skylight has the TMR skylight has rigid tubing, and its pitched metal flashing offers the optimum angle for gathering light from all directions.