For sale: travel trailers / lakewood, nj description: 2015 Airstream International Serenity series 23fb - oyster, many options stock#10269 msrp:$77,714.00 lowest price guaranteed, we will not be undersold!!! For a full description, floor plans, features, specifications, additional photos and options for this Airstream please visit our colonial Airstream website: features: fresh water tank capacity: 39 black water tank capacity: 18 grey water tank capacity: 30 # ac units: 1 ac specifications: 13.5 payload capacity: 1254 hitch weight capacity: 467 interior color: oyster/ asian sand exterior color: silver