Preventative Maintenance Kit for Model 6515 (10 cu. ft. Photostability Chamber) Includes (1) FIL-109 Filter, Fiberglass, (9) LGT-111 Fluorescent Lamps, 20 Watts, (4) LGT-124 High Output Lamps, 35 Watts and (1) Atomizer, Brass with Mesh Screen. Detailed Instructions Included.