The Eppendorf Pipet Helper is designed for use with glass and plastic pipets to aid filling and dispensing. Vacuum is applied by a slide lever, reportedly eliminating hand stress caused by the conventional "squeeze bulb" apparatus. The product enables one-handed control of aspiration, dispensing, and vacuum. Features include a lightweight handle; single rocker-switch for control of aspiration and delivery; and a disposable, in-line filter. The device holds 0.1 ml to 100 ml pipets. The filter and pipet connector are autoclavable.

Brinkmann Instruments Inc.
Westbury, NY

The system features preassembled filter cartridges and a dispensing gun, said to be capable of generating up to five times the pressure obtained with manual filter systems. The filter cartridges are available with 3.9 cm2 surface area in a choice of nylon or PTFE and 0.45 mm or 0.22 mm porosity. They are coupled to either a 5 ml or 10 ml polypropylene reservoir. The...

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