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Calculate graphical equations with accuracy and speed.

This Texas Instruments graphing calculator is the workhorse of math and physics classrooms everywhere.

Lightweight, compact polypropylene test tube rack allows contents of tube to be seen from top to bottom.

The most popular Geoblox models, now in a discounted bundle.

Bring options to your sex education program.

A very simple and visual demonstration of the level of conductivity of almost any solution.

An economical set of durable sieve that will hold up to tough use.

Bundle and save with these 10 'must-have' Geology models.

The only drop-in replacement for a best selling blood banking centrifuge. Perfect for all blood typing and cross-matching activities, the serology 12 integrates into any laboratory with minimal process changes.

Potassium chloride (KCl) storage solution for pH electrodes.

This pH tester is sleek tester is accurate to 0.1 pH with a built-in thermometer to automatically adjust the pH reading for temperature. The waterproof design (it floats), simple operation, and replaceable electrode mean that you can rely on this meter for years. The large LCD display shows both pH and temperature readings simultaneously, while a stability indicator is displayed to alert you when a stable reading has been obtained.

This set includes 0.5, 1, 2, 3 and 5 N springs.

Accessories for AquaSprouts® Seedling Biodome

Heavy duty 1¼" thick polyurethane seat has a waterfall edge. Built on five 2" industrial grade caster wheels for portability.

AUTOCLAVE BAGS RED 10 X 12.5 100/PK

High-quality pH 10 calibration buffer for standardizing meters in basic solutions.