Does the A344T fire extinguisher come with the bracket or does it have to be purchased separately?
The A344T extinguisher does come with the bracket.
Are the H3R extinguishers charged and ready to use or empty?
The H3R extinguishers are charged and ready to use out of the box.
Do you know what the life time of the A344T extinguisher is in years?
Per the supplier: There is no defined timetable for this extinguisher as long as it is serviced properly and maintained.
Can the H3R Fire Extinguishers, spefically model A344T, be shipped with the manufacturer's certificate of conformance?
Yes, they can be shipped with manufacturer's certs but they must be requested at the time of order.
Is the A344T H3R extinguisher rechargeable?
Yes, these are rechargeable.