"PARKWAY PLASTICS, INC."

Vacuum filter systems available in four sizes: 150 ml; 250 ml; 500 ml and 1 L. Adapters are colour coded by membrane type for easy product identification: Polyethersulfone (PES) yellow; cellulose acetate (CA) orange; cellulose nitrate (CN) blue; nylon (NY) red.

The handheld DEF (Urea) refractometer features the largest, easiest-to-read scale available with clear, sharp figures, screen shading and incredible contrast. This significantly enhances overall precision, even when several different people use the refractometer.

The handheld refractometer is exceptionally simple to operate and provides quick, accurate measurements for the concentration of nearly any aqueous solution in a wide range of applications.

A comprehensive set designed for safe and repeatable observation of electrostatic field lines using various electrode patterns.

Four student double faced workstation that provides a fully equipped science center.

A fully equipped, locking self contained demonstration unit constructed from select oak and oak veneers with chemical resistant, earth-friendly UV finish.

A full view of your tank with no corners to interfere.

The handheld refractometer is exceptionally simple to operate and provides quick, accurate measurements for the concentration of nearly any aqueous solution in a wide range of applications.

Measure sample temperature in hard-to-reach areas, including cuvettes, test tubes, flasks, and beakers.

The Flat-Pac™ Mini Kit is the most complete miniature first aid kit of its kind.

A fast and effective method to evaluate the strength of trusses.

Single faced workstation that provides a fully equipped science center.

Turn your floor into a robotic coding landscape.

An interesting and unique kit designed for hands-on exploration of electrochemical principles.

Four student double faced workstation that provides a fully equipped science center.

Scenario based learning helps keep students involved.