This micro scientific Dry Herb is a nice side car water bubbler. Features:Inline percolator is crafted with a percolation of 5 slots. No need for a downstem, as it is built in-line with the water pipe. Tip of mouth end is colored black. Ring accents or glass marias for cool aesthetics. Micro scientific rigs take a long time to create and lots of precision to manufacture; in fact, a micro can take longer to blow than an exact larger 18" pipe due to the precision involved. 10mm male glass on glass joint. Includes 10mm dry herb bowl.