Check the listing for details. Scott SCBA 4500 psi 30 minute. Cylinder/bottle air Tank, Mfr. Date 2005-2006. Condition: Used, Made in United States. Listed at 70.00 USD. This auction is for 1 tank..This Scott SCBA 4500 psi 30 minute cylinder/bottle air tank is a reliable and durable option for emergency responders and public safety staff. Made in the United States, this air supply unit has a maximum pressure of 4500 psi and a capacity of 30 minutes. It is designed to provide breathable air to users in need of respiratory protection, and is compatible with a range of SCBA equipment. This model, 4500 30min, has a manufacturer date of 2005-2006 and is not considered modified. It comes with no custom bundle and is not subject to California Prop 65 Warning. Whether you're in the rescue industry or in need of air supply for facility maintenance and safety, this Scott SCBA is a top choice.