Whatman^® high-purity glass microfiber extraction thimbles

Whatman^® high-purity glass microfiber extraction thimbles, glass thimbles, HP, 30 x 100 mm, 25/pk

Whatman^® high-purity glass microfiber extraction thimbles, glass thimbles, HP, 43 x 123 mm, 25/pk

Whatman^® high-purity glass microfiber extraction thimbles, glass thimbles, HP, tapered, 25 x 90 mm, 25/pk

Whatman^® high-purity glass microfiber extraction thimbles, glass thimbles, HP, 19 x 90 mm, 25/pk