"VWR"

Ideal quality control countdown and alarm timer combines easy three-button operation with large 1.9 cm (³/₄") digits.

Sterilization pouches are made of surgical-grade paper and blue polypropylene/polyester film.

Manufactured from Spectrosil quartz for accurate readings over the entire UV range to near infrared range.

A Great Value!

Suitable for filtration of aluminum phosphate, barium carbonate, lead chromate, and more.

Mortars are constructed of chemical porcelain and feature a lip and a glazed exterior.

Oversized digit calculator is solar-powered, battery-saving, and economical. Calculator performs all arithmetic operations and features memory, percent, and floating decimal point.

Calculators feature arithmetic functions (add, subtract, multiply, divide), percent, three-key memory, and floating decimal point.

Accurate answers in five seconds with a meter that automatically selects proper range and displays the exact answer.

Designed to homogenize cells and plant tissue or to re-suspend protein and DNA pellets.

These Certified Reference Materials (CRM) calibrate conductivity meters and probes for maximum accuracy.

Ideal for reading temperatures in reagents, water baths, foods, air, and semisolids.

At the press of a button, timer displays countdown alarm time/stopwatch time, and time of day in both 12- and 24-hour format.

High quality drosophila bottles at a reasonable price.

Displays current, minimum, and maximum values for dew point, wet-bulb, humidity, and temperature.

This double-headed wash bottle has an adjustable-spray stream and will keep contents completely free of contaminants if the sprayer and side-fill opening are in the closed position.