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If your number 1 goal is Vaporization I say the Fadespace Silicon Insert.
If your number 1 goal is Flavor then the Adapt Tech Sapphire Insert is the winner.
I am getting huge clouds on blue. Very impressed, there is a Coupon too. Yes, thats what I would do. I have been very impressed with Fadespace performance to date, their Quartz insert is awesome too.
The flavor on the sapphire is impossible to beat so far though.
awesome.....be warned those are made in China. Adapt Tech made in Russia.
I am about to get the new Fadespace Silicon Carbide Insert delivered will post a review soon....