
Johnsons Analytica filter papers for routine and quantitative laboratory filtration.
Our Range Includes...
Qualitative Filter Papers: Grades 301 to 306, from 55mm to 320mm diameter.
Wet-Strengthened Papers: Grades 322 to 325 for added strength when wet.
Quantitative Ashless Papers: Grades 351 to 354, plus hardened grades 371 to 373.