GERMGUARDIAN Replacement Bulb, UV-C,Clear

Replacement Bulb; UV-C; Bulb Length 5 1/2 in; Compatible Grainger Part Number 787CH3; Compatible Manufacturer Model Number Mfr. No. AC4700B; Mfr. No. AC4711W; Mfr. No. GG1000; Mfr. No. GG1100B; Mfr. No. GG1100W; Mfr. No. H5450; Number of Bulbs 1; Bulb Wattage 4 W; Bulb Rated Life 6 mo; Bulb Wavelength 254 nm; Germicidal Efficiency 99.97 Percent