the link isnt working for me, but i have some CFLs (brand: "Sunblaster") that use this method in keeping the surrounding are clean, but to the extent of this, i have no idea. I do really like mine tho, i have two 26watt 6400k 2500 lumen CFLs and were about $12 each Canadian at my local hydro shop. Im not sure if it is a sales pitch or if it actually works but i'm happy with mine whether it does or not. The link ive provided says they are $24.95 which is just a shit ass hydro shop trying to rip people off but it is the exact bulb i have and was half the price. (it also says they are 23watts, but they are 26watts, again stupid ass company)