Best 3 In 1 Vape Pen: Herb, Oil, Wax Best 3 In 1 Vape Pens: Lowest To Highest Rating 1. Pax 3 Pros Cons 3. FireFly 2+ Pros Cons 2. Arizer Solo 2 Pros Cons 2. DaVinci IQ2 Pros Cons 1. Mighty Pros Cons Conclusion Daniel Cunnington Hi. I'm the co-owner of VaporizerBud. I've used the Pax 3 for the past couple of years now and I love it.