Preventative Maintenance Kit for Model 6545-1 (115V-60Hz Photostability Chamber) Includes (1) FIL-114 Filter Media, 25 PPI, with Reinforced Backing, (6) LGT-125 UVA Lamps, (1) HUM-120 Copper Mesh Antimicrobial Rod, and (4) VEL-104 1/2" Velcro Discs. Detailed Instructions Included.