Summit Research Hochstrom Filter Paper

Stage 1: 1000 Pieces of 20u chemical duty paper that fit exclusively in our Hochstrom Filters. These circular papers have a 142mm diameter (5.6 inch). Made in USA. No questionable composition, and no import junk. Straight up, best papers you’ll ever use.

Stage 2:1000 Pieces of 8u chemical duty paper that fit exclusively in our Hochstrom Filters. These circular papers have a 142mm diameter (5.6 inch). Made in USA. No questionable composition, and no import junk. Straight up, best papers you’ll ever use.

Stage 3: 500 Pieces of sub 1u chemical duty 100% borosilicate paper (no chemical binder grade AE) that fit exclusively in our Hochstrom Filters. These circular papers have a 142mm diameter (5.6 inch). Made in USA. No questionable composition, and no import junk. Straight up, best high flow papers you’ll ever use.