4″ Heavy Dute Glass Oil Burner Bubbler Pipe

they are about 4-4.5 inch tall

weight : 250-300g

clear color glass, with mix color top

kit include stem and bowl and a rubber tops.

when you you use it,

1) put the rubber piece in,

2) insert the mouthpiece and bowl.

3) pull down the rubber white color collar on the tops, to make it seal.

4) ready to use.