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Probes with wooden handle and durable steel tip. Comes with curved or strai..
$1.20
These filtering flasks are made of borosilicate glass and have a narrow nec..
$4.99
Reusable glass test tubes with rims are made of borosilicate glass. Ideal f..
$0.10
Reusable glass petri dishes are made of borosilicate glass. Available in 60..
$1.80
Heavy corrugated cardboard construction. They are shipped flat. Can be easi..
$1.49
Our transparent plastic grain size chart is more durable than the leading g..
$2.50
Poly Flo 1/4" Tubing 500ft roll ($0.09/ft)..
$40.00
Our 10 compartment comparison tray allows for easy comparison between multi..
$6.89