"WardsSci000479"

These stoppers are made of a superior grade of rubber that has softness, resiliency, and durability.

Our high-quality borosilicate beakers meet ASTM standards at a great value.

Time lab activities with precision.

Vente

Educational Materials, Mechanics, Black heavy, 45 meter spool

General use jar, Capacity: 4 oz.

Excellent started set with a wide variety of plasticware.

Vente

The semi-permeable membrane, created from a natural source of cellulose, allows passage of particles up to 14000 Da.

These 15 ml PYREX® culture tubes are supplied with deep-form 15-415 GPI threaded phenolic caps to facilitate handling and sealing after autoclaving.

Leak-proof.

Cool-to-the-touch 50 ml to 250 ml with grounded stainless steel earth screen covering the element and double fused for added safety.