Pyrex 9990-125 Brand 9990 ribbed watch glass; 1000 mm, case of 12
Pyrex 9990-100 Brand 9990 ribbed watch glass; 600 mm, case of 12
Pyrex 9990-75 Brand 9990 ribbed watch glass; 75 mm, case of 12
Pyrex 9985-150 Brand 9985 watch glass; 150 mm, case of 72
Pyrex 9985-125 Brand 9985 watch glass; 125 mm, case of 72
Pyrex 9985-100 Brand 9985 watch glass; 100 mm, case of 144