I put in a supervent chimney in January and it has been great. I went with 8 and had to use 4 sections @ $95 a section bought at medards and had a local contractor install it for $200 cash. It ended up being under $800 with installation after buying the sections and the other connectors and black pipe.
The United States of America and its agencies and instrumentalities (also referred to as United States governmental entities) are also exempt from paying New York State sales tax on their purchases. Other states of the United States and their agencies and political subdivisions do not qualify for sales tax exemption.
Arizona General Sales Tax Info. Sales tax is a tax paid to a governing body (state or local) for the sale of certain goods and services. First enacted in the United States in 1921, sales tax dates back to ancient Egyptian times where paintings depict the collection of tax on commodities.