• Filter Paper Circles Whatman Grade No.1 7 cm Dia Box 100
  • Filter Paper Circles Whatman Grade No.1 9 cm Dia Box 100
  • Filter Paper Circles Whatman Grade No.1 11 cm Dia Box 100
  • Filter Paper Circles Whatman Grade No.1 12.5 cm Dia Box 100
  • Filter Paper Circles Whatman Grade No.1 15 cm Dia Box 100
  • Filter Paper Circles Whatman Grade No.1 18.5 cm Dia Box 100
  • Filter Paper Circles Whatman Grade No.1 24 cm Dia Box 100
  • Filter Paper Circles Whatman Grade No.1 27 cm Dia Box 100
  (Other sizes and Grades available on request)