Is this what I need to line my 45ft chimney ?

[SmokeyCity]

I dont know what .006 means as far as a SS liner quality ..

Here's the ad.. is this a quality liner ?

M-flex 6 Inch chimney liner Kit 50 ft (.006)
M-flex flexible all-fuel 6 inch chimney liner kit Includes: 50 ft stainless steel liner, two piece thimble tee, 18"x18" top plate with rain hood, installation instructions.Can be attached directly to unit or use tee(supplied) and connect to unit via stove pipe. brand new in box still on pallet.

 

[begreen]

That is a pretty common wall thickness for flex. I would think of downsizing to 5.5" or even maybe 5" for a forty foot run.

 

[SmokeyCity]

That is a pretty common wall thickness for flex. I would think of downsizing to 5.5" or even maybe 5" for a forty foot run.

No choice - someone is selling it on CL for $550