CAP,20MM,WITH HOLE,THREADED, Pack of 5
Spare glass stoppers, plastic screwcaps, silicone 'O' rings & sealing discs for the ML1 microscale organic chemistry kit
The microscale glass pennyhead stopper has an NS 14/10 ground cone joint
Spare glass stoppers, plastic screwcaps, silicone 'O' rings & sealing discs for the ML1 microscale organic chemistry kit
The microscale glass pennyhead stopper has an NS 14/10 ground cone joint