Spare Parts › STOPCOCK - PTFE - SPARE FOR ACRYLIC BURETTE Image 1 of 1 STOPCOCK - PTFE - SPARE FOR ACRYLIC BURETTE $10.00 Code: CH0233C Add To Cart Added! Code: CH0233C Spare PTFE straight bore stopcock for acrylic burettes (Codes: CH0233A and CH0233B) You Might Also Like Quick View ELECTRODE IN GLASS - "NORWOOD" TYPE - SUPPORT FRAME $12.10