6.64" Diameter White PTFE
Chemglass 6.64" Diameter White PTFE; Support Ring, PTFE, White, Round, 4.65" ID x 6.64" OD x 1.2" High - CHMGLS
Chemglass 6.64" Diameter White PTFE; Support Ring, PTFE, White, Round, 4.65" ID x 6.64" OD x 1.2" High - CHMGLS