Grand Valley State University Coupon Faculty and Staff Members Only 50% Off Super Wash Cascade Car Wash 6771 Old 28th St. SE Grand Rapids, MI 49546 Includes: Exterior Wash, Underflush, Rust Inhibitor, Triple Clearcoat, and Clear Coat Sealer Jension Car Wash 325 Baldwin Jenison, MI 49428 Not valid with other coupons or Promotions One coupon per person Greenville Car Wash 725 N. Lafayette Greenville, MI 48838 Valid ONLY during the month of 2010 with Faculty/Staff Identification