Offer Valid: 5/1/10 - 6/30/10 Buy 4 EQUIA Intro Kits, Get a $100 Target or Best Buy Gift Card Free! Promo Code 1468. To receive your free goods send a copy of your Patterson invoice to GC America Inc., Attn: Customer Care Group, 3737 West 127th Street, Alsip, IL 60803 or fax to 800-423-2963. Cannot be combined with any other promotional offers. Free goods will be of equal or lesser value to the lowest selling unit price. No substitutions allowed. Offer valid in U.S. only.