From Northern Brewer:
Offer valid on email gift cards only, not standard mailed gift cards, and only on orders placed between now and midnight Central Time on 7/4/2012. Not valid with any other discounts. While supplies last. No rainchecks or retroactive application to pre-existing orders, available online only. Order totals must be $100 before shipping and tax, and not including gift cards. The $25 gift card can not be applied to the qualifying order.