Thanks guys! They had a bunch of the F20/BLBs too but the others had the current end caps. this was the only "older" one so i bought this. They arent cheap but i had a giftcard lol. They have a whole stock of Philips F40s with get this: Sylvanai lifeline style endcaps! Very weird! I got one of them. The sleeves on the F40s are very cheesy and aren't even the length of the lamp. The information on the F40 sleeve is simply a sticker placed on the bare white sleeve too. Since this was 10 bucks and the F40 15, i only got one of each but I'll go back and get a second of each when i got back again. It was going to be these, an A-shaped MV lamp, or a few F20 preheat chokes and i settled on these lol.