got some glass from aqua this morning. the vapor dome is high quality, but there are little bubbles all over the adapter part and the top of the globe is a tiny bit uneven. but i could honestly care less. This b. wilson slide on the other hand, i expected a little more, its perfect size and it eliminates the miniscule amount off drag from my tube, but the glass is scratched on one side of the bowl and the welds at the base of the disk diffuser screen are honestly pretty shitty, i ordered a friend one in 18mm and his looked much better than mine. it still works, i just expected a cleaner looking piece. i suggest you try one of these or an ice pinch slide if you havent yet, its pretty awesome. sorry for the sideways pic, imageshack keeps uploading it like that.