Photo 1 of F40T12 48 inch luorescent Bulbs,T12 4 Foot Linear Fluorescent Tube,40 watts,2600 lumens,4100K Cool White,Replacement Tubes for Sylvania 21371 F40CWX,Philips 423129 F40T12/CW(6 Pack)

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Photo 1 of F40T12 48 inch luorescent Bulbs,T12 4 Foot Linear Fluorescent Tube,40 watts,2600 lumens,4100K Cool White,Replacement Tubes for Sylvania 21371 F40CWX,Philips 423129 F40T12/CW(6 Pack) Photo 2 of F40T12 48 inch luorescent Bulbs,T12 4 Foot Linear Fluorescent Tube,40 watts,2600 lumens,4100K Cool White,Replacement Tubes for Sylvania 21371 F40CWX,Philips 423129 F40T12/CW(6 Pack)