Preventative Maintenance Kit for Model 7545-1 (115V-60Hz Photostability Chamber) Includes (1) FIL-114 Filter Media, 25 PPI, with Reinforced Backing, (10) LGT-126 VIS, Cool White Lamps, and (4) VEL-104 1/2" Velcro Discs. Detailed Instructions Included.