Why are you looking into bug zappers? if you have an insect infestation, I strongly encourage you to contact a pest control specialist with experience in a museum setting. All a bug zapper will get you is a bunch of dead bug carcasses. It will not deal with the true cause of your insect problem. pest control people you should contact: Tom Parker 44 Essex Ave Landsdown PA 19050 215-284-6249 Wendy Claire Jessup 1814 N. Stafford St Arlington VA 22207 703-528-4339 David K. Mueller Fumigation Service & Supply PO Box 40641 Indianapolis IN 46280 [log in to unmask] 800-992-1991 Don't invest your hard earned money in zappers without addressing the "root" of your insect problem first. ______________________________________________________________________ Diane Gutenkauf, Curator Elmhurst Historical Museum 120 E. Park Avenue Elmhurst, IL 60126 USA Voice: +(708) 833-1457 Fax: +(708) 833-1326 Email: [log in to unmask] (Internet) 74547,377 (CompuServe)