Sylvania FBO31/835 Fluorescent Light Bulb 21878 (Case of 15 bulbs)
Description: 31W, 22.5" MOL, T8 OCTRON Curvalume fluorescent lamp, 1 5/8" leg spacing, 3500K color temperature rare earth phosphor, 85 CRI, suitable for IS or RS operation.
Manufacturer - Sylvania
Light Bulb Cross Reference 21878 SYLVANIA 309535 309535 HALCO 503131 BULBRITE F/31/T8/835/U6 F/31/T8/835U6 F/31/T8/SPX35/U6
F/31/T8/SPX35U6 F/31/T8SPX35/U6 F/31/T8SPX35U6 F/31T8/835/U6 F/31T8/835U6 F/31T8/SPX35/U6 F/31T8/SPX35U6
Part number 21878