Test bottles are fine. No complaints. The cheapest way is to buy them in bulk. But the box was opened during shipping. A tiny piece of tape is required to prevent this. In the end I only got 22 instead of 24. Two broke. Fortunately not anymore. There is no way to contact the seller on Revain and my only claim option is to return everything for an exchange. Considering I have an API hose left without this kit and am running a brand new reservoir I can't afford not to have these hoses so I'm just left with a lower value. Hopefully, after this review, the seller will contact me to send me two replacement units for shipping damage.
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