As of this posting, MoreBeer has discounted two sizes of PET carboys, both the 3 gallon and 6 gallon sizes.  The 3 gallon is selling for $17.99 and the 6 gallon is selling for $22.49.  Shipping to most US addresses is also free with a $59 order.  Check sale page for current price and availability.

Deals at MoreBeer

Check sale or product page for current availability & pricing

What’s going on at MoreBeer Today?  Today’s Deal of the Day | Sale Items