http://www.sciplus.com/American Science & Surplus offers science kits, educational toys, school supplies, arts and crafts items, hobby tools, scales, lab glass, housewares, electronics and much more all at discount closeout prices.en-us3600http://www.sciplus.com/http://www.sciplus.com/common/images/jarvis.pnghttp://www.sciplus.com/singleItem.cfm?terms=18879http://www.sciplus.com/singleItem.cfm?terms=18879Thu, 21 Feb 2013 11:01:00 CST<img src="http://www.sciplus.com/itm_imgs/web41360.jpg" /><br /><br /> SCHAFFNER 3AMP EMI FILTER for $7.50 EACH