Whatman's Puradisc filters
From now until December 31, 1999, buy six packs of Whatman 25 mm GD/X or Puradisc syringe filters from VWR Scientific and receive a free Panasonic DVD player. GD/X and Puradisc filters come in both nylon and PTFE with pore sizes of 0.2 µm or 0.45 µm. Prices range from $313.25 to $367.25 for a pack of 150 filters.
VWR Scientific, (800) 932-5000, www.vwrsp.com

Hanna Instruments' colorful stirrers
Hanna Instruments' Speedsafe Round Stirrers bring a splash of color to the laboratory with nine different colors and floral veneers to match. The stirrers reach a maximum speed of 1,000 rpm and hold a 1 l beaker. The platform diameter is 13.7 cm and the ABS plastic housing is resistant to chemical solvents. Powered by 110V, each stirrer is sold complete with one 25 mm stir bar, three floral stickers, and an instruction manual. Price: $76.00
Hanna Instruments,...

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