Promotional value expires 120 days after purchase. Amount paid never expires. Valid only within 20 miles of zip code 21227. Appointment required, same day appointments accepted. Limit 24 per person. May be repurchased every 365 days. Limit 1 per visit. Valid only for option purchased. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings