Discover the powerful formula of Rush Butanol Black Label. 
This unique formula is produced by PWD and contains a strong blend of butanol and pentyl (isopentyl). 
This combination provides an intense but accessible high - for beginners as well as for the most experienced.
The long-lasting effects, such as relaxation and euphoria, are exactly what everyone wants. 
This long, slender bottle is also called a "Tall" bottle and holds 24ml.