Lenses - UV Filtering & Transmitting. UV Transmitting Lens (U-Tran Acrylic Clear). These panels allow the transmission of all wavelenghts, including those in the beneficial ultraviolet region. The special acrylic formulation begins transmitting energy at 250 nanometers. Applications: hospitals, health clubs, schools, factories, art studios, and should be used in conjuction with our full spectrum lamps. Sizes available: 11.75" x 47.75", 23.74" x 23.75", 23.75" x 47.75".