StonyLab Quantitative Filter Paper Circles, 56mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 56 mm Diameter auspowers_batchone Staggered screw holes provide greater

Staggered screw holes provide greater retention

bending and folded out of shape

Latching switch The Latching switch will remain on once it is pressed and stay on until it is pressed again

Small funnel help fill liquids without leak

StonyLab Quantitative Filter Paper Circles, 56mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 56 mm Diameter auspowers_batchone Staggered screw holes provide greaterStonyLab Quantitative Filter Paper Circles, 56mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100 Product Features Filter paper diameter: 56mm Coarse cellulose filter papers remove particles > 20 m Filtration Speed: 35 70 sec Ash content: 0. 01% Compatible with StonyLab Porcelain Buchner Funnel 60mm