Vaphit X stem has an "X" carbhole and has a mouthpiece which has 10/14mm M/male joint using for bubbler,also it allow loading quartz balls to cool down the steam,
Package includes :
1 X ss stem
1 X 10-PACK of 6.5mm*1.2mm
1 X 10-PACK of 7.0mm*1.2mm
1 X 10-PACK of 7.5mm*1.2mm
1 X 5-PACK SS screen
1 X 20-PACK of quartz ball for cooling vapor
1 X ruby star for steam going through stem better
1 X clean brush
