18mm to 14mm Glass Adapter
$ 13.79 USD
The silicone pipe adapter is made of high-quality glass. Perfectly turns any 18mm joint into a 14mm one on the market.
How to clean a glass adapter?
- Put the glass adapter into a storage bag.
- Pour the alcohol of 70% concentration or higher in the storage bag, together with some coarser salt.
- Shake up the storage bag until the water changed to a dirty brown.