548 28w square lamps products are offered for sale by suppliers on Alibaba.com, of which led bulbs accounts for 12%, panel lights accounts for 4%.
A wide variety of 28w square lamps options are available to you, such as ac, dc and rechargeable battery pack.You can also choose from led, halogen bulb and incandescent bulb 28w square lamps,as well as from residential, home, and office 28w square lamps, and whether 28w square lamps is manual button, remote, or sensor.