GRAV 14mm Male to 18mm Female Expansion Adapter

The GRAV Expansion Adapter is a must-have glass accessory that enhances the compatibility of your water pipes and dab rigs. Designed to increase the diameter of a joint, this glass adapter allows you to use more extensive accessories easily. Whether you need to convert a 14mm female joint into an 18mm female joint or switch between different setups, this adapter makes transitions seamless and hassle-free.

This adapter is made from high-quality borosilicate glass, ensuring durability, a secure fit, and an airtight connection for smooth, enjoyable sessions. The clear glass maria in the middle provides a comfortable grip, making it easy to handle and swap between pieces without frustration.

This adapter is compatible with most bongs and dab rigs and is available in various joint sizes to perfectly match your setup. Choose from female joint sizes of 14mm or 18mm and male sizes of 14mm or 18mm to expand the possibilities of your smoking experience.

GRAV offers only the best affordable, premium glass accessories, ensuring a reliable, long-lasting piece.

Features:

• Converts a 14mm female joint into an 18mm female joint
• 14mm male joint with 18mm female joint
• Made from high-quality borosilicate glass for durability
• Designed for smooth transitions between glass pieces
• Easy-to-handle clear glass Maria grip
• Compatible with most bongs and dab rigs
• Available in multiple joint size options

Upgrade your glass setup today with the Expansion Adapter and experience the convenience of seamless compatibility. Shop now with GRAV and take your smoking sessions to the next level.

Browse the complete GRAV collection here. 

Added on March 11, 2025