When you're doing air or water pollution monitoring or analysis the last thing you want to be concerned about is your filter medium.
Whatman Glass Microfibre® filters and cellulose filter papers. Circles. Sheets. Rolls. » Registered trademark of Balston Ltd,
From laboratory supply dealers worldwide. WHATMAN INC. • 9 Bridewell Place, Clifton, N e w Jersey 07014 (201) 777-4825 • Telex 133426
Whatman ^ S *
eJIB
?Bî S i * " ' ' 0 *
