Glass Adapter Reducer 14mm Female To 18mm Male - Connector For Lab Or Smoking Accessories

So you need to connect a 14mm female joint to an 18mm male joint?

This little glass adapter does exactly that.

It's a reducer/expander—14mm female on one end, 18mm male on the other.

Works for lab glassware, smoking accessories, or any setup where you need to bridge different joint sizes.

It's brand new, still in its original packaging, and made of glass.

No brand name, no fancy MPN—just a simple, functional piece.

If you're piecing together a custom glass setup, this connector is a must-have.

Keep one in your kit so you're never stuck with mismatched joints.

UPC doesn't apply, but it's a standard size that'll come in handy.