12-Pack Calcium Chloride U-Form Absorption Tubes, 100mm, Borosilicate Glass Micropipets_Variable Volume sealed inside a transparent tube

sealed inside a transparent tube with two terminals and plus-or-minus 1% precision

Tulgren filter funnel constructed from borosilicate glass extracts small organisms from soil samples through heat-driven migration collection methods

Solid wooden resonance box mounts four steel forks tuned to C 256Hz

sized for individual student stations where a full-size flame would overwhelm the work

12-Pack Calcium Chloride U-Form Absorption Tubes, 100mm, Borosilicate Glass Micropipets_Variable Volume sealed inside a transparent tubePack of 12 U form absorption tubes measures 100mm for calcium chloride drying applications in analytical chemistry and laboratory procedures.