OK so I have a white ego and after a few months of use the white is more of a yellowish/brownish white color now... so Im going to buy 2 black batts and a cone. My problem is there are so many vendors with the ego now that are alot cheaper than janty or TW, however very few of them show what logo, if any, is on the bottom end of the batt. Can anyone fill me in one what vendor has what logo? Particularly puresmoker, they have the best price Ive seen....