Used 60 Min. SCBA Inbound.

I was poking around ebay and came across this ad for 60 Minute SCBA tanks manufactured in 2008 I placed an order and have one incoming.

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SCBA1.1601071795.JPG
SCBA2.1601071805.JPG

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I'll find a local shop to update the Hydro Test and run with it.
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I am pretty sure this is the fill valve setup I need for the SCBA tank. Can someone verify (or suggest alternate) before I place the order?
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Fill valve.1601072257.JPG

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I now have a Yong Heng compressor, a Tuxin filter on the way, the Straight Shooters .22 Sampler pack, and a hand pump, but still no PCP rifle!
 
This tank and valve costs $240 with 3 years remaining on the useful life of the tank. It will include a Chinese fill adapter. $240 divided by 3 years is $80 per year. A brand new carbon fiber tank this same size with a much higher quality valve costs $650 divided by 15 years useful life is $43 per year. The $240 setup is cheaper. The new tank and fill valve is better quality and a far better value.
 
This tank and valve costs $240 with 3 years remaining on the useful life of the tank. It will include a Chinese fill adapter. $240 divided by 3 years is $80 per year. A brand new carbon fiber tank this same size with a much higher quality valve costs $650 divided by 15 years useful life is $43 per year. The $240 setup is cheaper. The new tank and fill valve is better quality and a far better value.

Without doing the math, I kinda knew that, but other factors are at play.
I don't even have a PCP airgun yet, although I have one incoming that should arrive next week.
In the past 4 days I found a great deal on a Hatsan rifle, bought and received a Yong Heng compressor, a hand pump, and some .22 pellets, and I'm waiting for a Tuxing air filter that's bought and paid for. It's been an expensive week. 
Today, the $240 for the SCBA setup fits the "fun money" budget much better than a brand new SCBA setup.
This should be it for now. I know I'll be looking at other rifles soon and boy oh boy, that Ataman pistol sure is interesting, and, and, and...
I did however, get myself set up to power my PCPs for the next 3 years with little worry. I imagine 3 years from now, a better compressor and SCBA tank will be in order and high on my "want" list.