12-Pack Calcium Chloride U-Form Absorption Tubes, 100mm, Borosilicate Glass Micropipets_Variable Volume Tulgren filter funnel constructed from

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

this pipette-type hydrometer draws electrolyte into a glass body with a colored-zone float for direct reading

Plain still head in borosilicate 3

12-Pack Calcium Chloride U-Form Absorption Tubes, 100mm, Borosilicate Glass Micropipets_Variable Volume Tulgren filter funnel constructed fromPack of 12 U form absorption tubes measures 100mm for calcium chloride drying applications in analytical chemistry and laboratory procedures.