OG Original Glass downstem replacement - Different sizes available Length:5" That’s a lot of customization

That’s a lot of customization in the palm of your hand

constrained air activity

computerized temperature show

You can choose to use the included tube kit or the included easy valve system

Here is the link to the 16 oz Orange Chronic bottle

OG Original Glass downstem replacement - Different sizes available Length:5" That’s a lot of customization*Please note that the colour of the logo may vary based on availability* OG Original Glass Downstem Low Profile 19mm Male to 14mm Female Bowl Joint 3. 0", 3. 5", 4. 0" , 4. 5" and 5. 0" Available Stem Measurement Details Brand By Brand: From our experience, the STANDARD method of measuring Ground Joint Stem length is generally to measure the amount of glass that's below the 'joint' to measure how deeply into the bong the stem goes, beyond that joint