18mm to 14mm female glass adapter in blue. Convert your 18mm male joint to fit 14mm female accessories. High-quality borosilicate glass construction ensures durability and perfect fit.

Features:

• 18mm to 14mm conversion
• Female to female adapter
• Blue colored glass
• Borosilicate glass construction
• Perfect fit and seal
• Durable and heat resistant

Essential adapter for mixing and matching different sized glass pieces.