Whatman Microplus 41 STL 0.45um 50mm Whatman MicroPlus-41 (Cellulose Nitrate) STL Membrane Circle, green, 50 mm, 0.45 um, 3.1 mm black grid, sterile, for Membrane-Butler PK400 GBP 719.99 1
Whatman ME 2541 STL 47mm - FIL5450 Whatman ME25/41 (Mixed Cellulose Ester) STL Membrane Circle, green, 47mm 0.45 um, 3.1 mm black grid, sterile, for Membrane-Butler PK400 GBP 639.99 1
Whatman Microplus 21 STL 0.45um 50mm Whatman MicroPlus-21 (Cellulose Nitrate) STL Membrane Circle, white, 50 mm, 0.45 um, 3.1 mm black grid, sterile, for Membrane-Butler PK400 GBP 749.99 1
Whatman Microplus 231 STL 0.45um 50mm Whatman MicroPlus-31 (Cellulose Nitrate) STL Membrane Circle, black, 50 mm, 0.45 um, 3.1 mm white grid, sterile, for Membrane-Butler PK400 GBP 749.99 1
Whatman Microplus 31 STL 0.45um 47mm Whatman MicroPlus-31 (Cellulose Nitrate) STL Membrane Circle, black, 47 mm, 0.45 um, 3.1 mm white grid, sterile, for Membrane-Butler PK400 GBP 719.99 1
Whatman Microplus 21 STL 0.45um 47mm Whatman MicroPlus-21 (Cellulose Nitrate) STL Membrane Circle, white, 47 mm, 0.45 um, 3.1 mm black grid, sterile, for Membrane-Butler PK400 GBP 719.99 1
Whatman ME 2521 STL 47mm - FIL5438 Whatman ME25/21 (Mixed Cellulose Ester) STL Membrane Circle, white, 47 mm 0.45 um, 3.1 mm black grid, sterile, for Membrane-Butler PK400 GBP 629.99 1
Whatman CN 47mm .45 m Filter Whatman Mixed Cellulose Ester Circle WME Range, gridded, white/black grid 3.1 mm, sterile, without pad, 0.45 um pore size, 47 mm PK1000 GBP 1129.99 1
Whatman ME 2541 STL 50mm - FIL5452 Whatman ME25/41 (Mixed Cellulose Ester) STL Membrane Circle, green, 50 mm 0.45 um, 3.1 mm black grid, sterile, for Membrane-Butler PK400 GBP 699.99 1
Whatman ME 2531 STL 50mm - FIL5448 Whatman ME25/31 (Mixed Cellulose Ester) STL Membrane Circle, black, 50 mm 0.45 um, 3.1 mm white grid, sterile, for Membrane-Butler PK400 GBP 699.99 1