Quick view View Item Whatman Filter Sheets, Grade 1, 100/pk Whatman Filter Sheets, 600 x 600mm, Grade 1, 100/pk Whatman is a registered trademark of Cytiva. ParameterGrade 1 Qualitative Filter Paper Standard Grade, sheet, 600 × 600 mm Grade Grade 1 Grade Type Standard Typical... Weight: 7.80 LBS View Item Quick view Qty in Cart: 0 Price: Subtotal: