Design engineers who require electronic cabinets that are cooled can select from 16 blowers and eight fan sizes as standard and over 200 additional sizes by special order from Equipto Electronics. Louvering, grills, insulation, heaters and air conditioners are also available. The company provides a selection nomograph to assist in evaluating cooling requirements. For additional information, contact Equipto Electronics Corporation, 351 Woodlawn Ave., Aurora, IL 60506-9988. Phone 800-204-RACK or fax 630-897=5314, web site: http://www.equiptoelec.com