14mm 18mm male to female glass Water Pipe Reducer Connector hookah Accessory~ | eBay
Large Beaker Bong and bowl with 7mm Glass - 18 Inch - Lighter USA
HARM REDUCTION SUPPLIES - Safer Smoking Supplies
Glass Chemical Pipe Reducing TEE Acid Drainage Large 6" to 3" | eBay
Glass Hookah Down-Pipe Adapter Down Stem Pipe Reducing Adapters 18mm Male to 14mm Female Reducer Mini Converter Slit Diffuser for Bongs Water Pipes
Buy Ace Glass 8837-33, 4" x 2" Beaded Process Pipe Reducing Tee - Mega Depot
The Magnum Micro Slider | Cannabis Now
PIPE DECOR 1 in. x 1/2 in. Galvanized Iron FPT x FPT Reducing Coupling Fitting (4-Pack) PDG RC-112-4 - The Home Depot
First Call - Glass pipes used to smoke crack cocaine and methamphetamine are typically simply broken glass tubes that present a variety of health risks to people who use drugs (PWUD). Cut