Products include: 1 pieces of perforated injection adapters, enough for your daily use.
Size: top diameter: 21mm/0.82in Height: 45mm/1.77in Middle hole: 3.8mm/0.149in.
Easy to use, just put the adapter end cap on the bottle mouth and press it in to fix it, and insert a syringe into the hole mouth to connect and use.
The function is to form an airtight and leak free seal. The thread of the bottle injection adapter forms a leak free seal with the bottle, ensuring that even if the bottle is upside down, it will not waste liquid and will not leak out. You can get the amount you need for one-time use, or you can clean the internal medicine and use it repeatedly.
Use: It is a necessary tool for dentists, hospitals and clinics to dispense medicines, and it can also save injectable oral medicines for your pets.