5-Pack Chemical-Resistant Polypropylene Stoppers, 29/32 Subcategory_Acids and Bases this pack of premium qualitative

this pack of premium qualitative filter paper offers medium-speed gravity filtration with a 10-micron pore size at 85 gsm weight

direct-reading current in the most-used range for student bench circuits

replacing the dry-cell stack on student-circuit benches

the chrome-plated metal frame and handle keeping the reading magnifier classroom-durable

Hangs a 20mm solid copper cube via an integrated hook for buoyancy and density work

5-Pack Chemical-Resistant Polypropylene Stoppers, 29/32 Subcategory_Acids and Bases this pack of premium qualitativePack of 5 chemical resistant polypropylene stoppers fits 29 32 sockets for sealing ground joint vessels with chemical and impact resistance.