Promotional value expires 90 days after purchase. Amount paid never expires. Limit 1 per person. Valid only for option purchased. Limit 1 per visit. Appointment required. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Extra fee for filters may apply. Valid only for a 5qt tank, additional fee for larger. Valid at participating locations. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings