PARMIDA 20-Pack 4FT LED T8 Ballast Bypass Type B Light Tube, 18W, UL-Listed for Single-Ended & Dual-Ended Connection, 2200lm, Frosted Lens, T8 T10 T12, UL, FCC – 4000K

Customers find these LED tubes to be better than fluorescent lights, with one customer noting they help reduce shadowing effects throughout the space. The bulbs are easy to install, work well, and save money on electric bills. While some customers report no flickering, others mention the lights flicker. The durability receives mixed reviews, with several customers reporting broken bulbs at one end.