If you’re the type of person that just can’t get enough of a good thing, then the Sativa Protab Refill Pack is for you. Highly effective and long-lasting, each Refill Pack contains 40 tablets, and each tablet contains 25 mg of THC with a duration of 3–6 hours. Should you want to consume a lighter dose, they’re scored so you can easily split one in half. Swallow with liquid.