UV Replacement Bulb Size: 0.5" H x 6" W x 1" D
R9WUV-SQ Size: 0.5" H x 6" W x 1" D Features: -UV replacement bulb. Dimensions: -4.5" H x 1" W x 0.5" D: 0.05 lb.-5.5" H x 1" W x 0.5" D: 0.05 lb.-6" H x 1" W x 0.5" D: 0.05 lb.-6.8" H x 1" W x 0.5" D: 0.1 lb.