Oasis 70 - 22" Wide, 28" Long, 37" High (To the top of the lid) Oasis 170 - 28" Wide, 36" Long, 51" High (To the top of the lid) Oasis 250 - 28” Wide 36” Long 81” High (To the top of the lid) Oasis 270 - 28" Wide, 36" Long, 81" High (To the top of the lid) Our 28” Width allows our tanks to fit through all standard doorways including many doorways in older homes.