Hochstrom Filter paper by Summit Research is 20u chemical duty paper that fits exclusively in the Summit Hochstrom Filter. These circular papers have a 142mm diameter (5.6 inch) and are made in the USA.
Hochstrom Filter paper by Summit Research is 20u chemical duty paper that fits exclusively in the Summit Hochstrom Filter. These circular papers have a 142mm diameter (5.6 inch) and are made in the USA.