EE(tm) 14mm Frosted scientific Adapter made by glass
14mm-18mm Glass Bushing Adapter
Jianuo Scientic Glass Tube Adapter, 18MM Female To 14MM Female Essential Adapter Streamlined 180 Clear
Keck Clip 18mm Multiple Colors (Pack of 6)
Jianuo Scientic Glass Tube Adapter, 18MM Male To 14MM Male Essential Adapter Streamlined 180 Clear
Whip/Hose Replacement Accessory Hookah Shisha Silicone with Glass Hose Vaporizer (18MM)