Yes, you read correctly.

This is a limited offer while supplies last! 3 different 8&9 tanks for only $20.  S - 3X packs are available.  How can we do this?  Making space in our warehouse is easier than finding a new one so we're grabbing 3 tanks in your size and shipping them out for $20.  For this blow out deal all sales are final, no returns or exchanges. Final sale. Quality of product and service are guaranteed.