These Formula 420 Silicone Cleaning Plugs are used to keep Formula 420 and other cleaning solutions inside the piece to assist in proper cleaning. It’s easy and efficient and will make the experience of cleaning your piece with ease. This Formula 420 plug set comes in three sizes for your convenience.
Perfect for cleaning bongs and safe to use with alcohol, methylated spirits and most other substances that would be used to clean a bong.
Formula 420- Universal Cleaning Plugs, Storage, and Odor Proofing Glass Water Pipes/Rigs and More
Sizes Included in Set:
- 1 x Large: 12-26mm
- 1 x Medium: 8-18mm
- 1 x Small: 6-14mm