oceanicwater store FOR SALE !!!!20 GALLON COMMERCIAL/ RESIDENTIAL REVERSE OSMOSIS TANK.3/4" MNPT.FEATURES:STAINLESS STEEL SYSTEMS CONNECTIONBRASS CAP WITH INTERNAL O-RING GUARANTEES NO AIR LOSS FROM AIR-VENTHIGH-GRADE BUTYL DIAPHRAGM INSURES A TASTELESS ,ODORLESS WATER CHAMBER.BOTTOM CONNECTION.SIZE: 15.6" x 31.75" COLOR: WHITE/BLUE/GRAY/BLACK. WILL SHIP WHAT IS IN STOCK. SHIPMENT FOR PR/HI/AK WILL BE BY USPS PARCEL POST.