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Got an old fixture that needs a circle tube?
This Crompton 40W T5 fluorescent lamp is bright white/cool white, 3500-4100K.

Circular shape, T5 bulb shape code.

MPN FCT540W840.

New, over 100 in stock.

No UPC/EAN.
Good for ceiling fixtures, workshop lights, under-cabinet retrofits.

Keep spares handy – you know how fluorescents are.
5 out of 5