Product name: Platinum wire ring electrode (purity 99.99)
Platinum wire size: 0.5 * 100mm, 0.5 * 150mm, 0.5 * 200mm (can be customized with any size and number of circles)
PTFE rod size: 6 * 80mm (customizable size)
The glass jacket can be customized in size, with a sand core at the bottom