One advantage of fluorescent bulbs is that they last very long and therefore are cost-efficient. The brightness in this bulb amounts to 1,200 lumen.
From ManoMano
Ledvance/Osram Traditional Fluorescent Tube T5 G5 14W 1350Lm 3000K Dimmable
LED Bulbs
Osram T5 Fluorescent Tube 14W 550mm 21 Inch Warm White - 591520
Big on Electricals
Osram T5 Fluorescent Tube 14W 550mm 21 Inch Warm White - 591520