Rubber Stopper, Size #2
Fits 20X150 Test Tubes. All of our black rubber stoppers are laboratory grade. Available as solid or 1-hole. NC-0957
$0.65
Silicone Stopper, Size #6, pk/12
Fits 250mL Pyrex Erlenmeyer. Silicone stoppers are particularly useful due to their inert and nonreactive nature. Heat to 450°. Chemical resistant. NC-14663. Sold in a pack of 12 stoppers.
Stainless Steel Scalpel Handle #4, pk/10
These stainless steel scalpel handles are used with scalpel blade #20. NC-9829. Sold in a pack of ten handles.
$21.60
12.5 cm Filter Paper, Qualitative Medium Flow, Pk/100
MEDIUM flow, 12.5 cm diameter qualitative grade plain filter circles are ideal for retaining crystalline materials and for general chemistry applications. NC-12167
$8.95
Borosilicate Media Storage Bottle, 2000mL
This borosilicate glass general purpose media bottle is autoclavable with permanent white graduations and marking spot. NC-14155
$49.95
Cap for 500mL and 1000mL flasks, with filter, Pk/10
These polypropylene screw caps are vented with 0.2µm membranes to increase air transmission and enhance cell growth. Fit MTC Bio 500mL and 1000mL Erlenmeyer flasks. Sold as Pack/10. NC-14966
$38.51
Cell Strainer, 100µm, Yellow, Individually Wrapped Blister Packs, Pk/50
This SureStrain™ Premium Cell Strainer has a yellow polypropylene frame supporting a 100µm nylon mesh. The advanced frame/housing design eliminates the “air-lock” effect, contributing to superior performance and reduced processing time. Designed for use with 50mL tubes. Includes an adapter for tubes smaller than 50mL. Sold as Pack/50. NC-14975
$123.46
Ethyl Alcohol, 1 gal., Reagent, Denatured
A.C.S. Reagent grade, Anhydrous, 200 proof — Denatured with methyl and isopropyl alcohol, meets lab requirements for scientific experiments, research, and analysis. Restricted to Standard Ground only. Adult signature required. HazMat fee applies. NC-2405
$44.95
Porcelain Crucible with Lid (Low Form), 50ml
These 50ml capacity “low form” porcelain crucibles can be used at temperatures up to 1050°C (1922°F). NC-13230
$3.95
PTFE Joint Sleeve for 24/40 Ground Glass Joints
Reusable PTFE sleeves for greaseless connections are inserted between standard taper ground glass joints to prevent seizing and galling. NC-13855
$4.95
Ring Clamp (5 inch), Short
This steel ring clamp has a 5 inch outer diameter ring which can be rotated and locked at any angle. The inner diameter is 4.25 inches. Length is 9.25 inches; 5.5 inches from center of ring to center of bosshead. NC-13221
$14.60
Rubber Stopper, Size #3
All of our black rubber stoppers are laboratory grade. Available as solid or 1-hole. NC-0958
$0.80