Upper Limits is home to distributed brands such as Count Vapula, Mad Scientist Hemp and Artist Pipes. Shop online and pick up your order in our convenient drive-thru. Visit our sales floor and watch live glassblowing every weekday. We make custom glass pipes and accessories. Our glass production facility manufactures and distributes custom glass pipes and quartz products for the both retail and wholesale. We are a movement based retail operation with a strong focus on product research, quality, value while providing top notch customer service and support.