Whatman Grade 603 Standard Cellulose Extraction Thimble 28x80 mm thickness 1.5 mm
Whatman Grade 603 Standard Cellulose Extraction Thimble 33x118 mm thickness 1.5 mm
Whatman Grade 603 Standard Cellulose Extraction Thimble 22x80 mm thickness 1.5 mm
Whatman Grade 603 Standard Cellulose Extraction Thimble 33x80 mm thickness 1.5 mm
Whatman Grade 603 Standard Cellulose Extraction Thimble 33x60 mm thickness 1.5 mm