You can get these on Amazon as well. I have their large Silverton I got for a decent price on Amazon Warehouse and they are smell proof. I literally took the carbon pouch and put in on my window sill so the sun will dry it back out since you get about 3 refreshes out of one of them.

However i also have some carbon filters for the vents and should be able to just cut a section to line it will.

But I keep all of y concentrate in this just so I can keep my flower and its devices in one storage case and all my concentrates in the wood box.

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