LED and Fluorescent Vertical L & Inverted U Products DLED-9000 (3-5/8" Lens Aperture Opening) Vertical L and Inverted U LED 24VDC Dimmable Linear Fixture with Acrylic Diffuser DLED-9800 (2-1/4" Lens Aperture Opening) Vertical L and Inverted U LED 24VDC Dimmable Linear Fixture with Trimless Acrylic Diffuser DL-9100 (3-5/8" Lens Aperture Opening) Vertical L and Inverted U Fluorescent Linear Fixture with Acrylic Diffuser