Transparent Crown Glass Taro 14MM Yellow Glass Crown Stained Glass Making

Jianuo 18mm by 14mm Stem Clear Scientic Glass Tube Adapter (5 inch)

Handmade Stained Water Bottle Gift for a Friend Bowl (YD 14.4mm 2pack)

Jianuo 18mm by 14mm Stem Clear Scientic Glass Tube Adapter (3 inch)

YHYPY 5Inch Clear Glass Accessories Handmade Piece 14mm 45 Degree （White）

M13 Silicone Herb Bowl 14mm/18mm Dual Use Unbreakable Holder Nest Design Blue/Green/White

"U" Glass Connecting Adapter All 14mm

Younuo 18mm by 14mm Stem Clear Scientic Glass Tube Adapter 5inch

Glass Herb Holder Smoking Bowl (14mm)

Jianuo 18mm by 14mm Stem Clear Scientic Glass Tube Adapter (4 inch)