stonylab Quantitative filter paper circles, cellulose filter paper with 74 mm diameter and a filtration speed of 20 microns, pack of 100 pieces 74 mm diameter white electronics2022 The Yellowish tinted lens can

The Yellowish tinted lens can improve contrast

Four 18-millimeter MOVs provide an energy absorption rating of 720 Joules

5V AA Batteries ( Batteries and manual are not included )

COOSKIN Latex Finger Cots Reusable Rubber Fingertips Protective Glove Heavy Duty Industrial Grade Finger Cots (Pack of 100) (Small)

The thick rubber O-rings work with the upper hex nut to provide air-tight seals and prevent any leaks

stonylab Quantitative filter paper circles, cellulose filter paper with 74 mm diameter and a filtration speed of 20 microns, pack of 100 pieces 74 mm diameter white electronics2022 The Yellowish tinted lens canstonylab Quantitative Filter Paper Circles, Cellulose Filter Paper with 74mm Diameter and a Filtration Speed of 20 Microns, Pack of 100 Product Features < ul class="a"> Filter paper diameter: 74mm Coarse cellulose filter papers remove particles > 20m Filtration speed: 35 70 sec Ash content: 0. 01% Compatible with StonyLab Buchner funnel funnel made of porcelain, 80mm