Promote your business or decorate a party! Large Helium Tank (5' tall)* 213 cubic feet Inflates approximately 850 or more 9" balloons. $5.00 daily rental for the tank and we charge only for the helium that is used. If you would like to rent long term the rental fee is only $10.00 per month. We can also deliver. (Separate delivery fee applies) Please call for availability and helium pricing.