| how much nicotine in a vape pen vs cigarette | 1.68 | 0.2 | 22 | 44 | 62 |
| how much nicotine is in vape pen | 0.35 | 0.1 | 8164 | 32 | 4 |
| vape pen vs cigarette | 1.14 | 1 | 3303 | 21 | 3 |
| how much nicotine in cigarette vs vape | 0.08 | 0.9 | 5061 | 38 | 42 |
| do all vape pens have nicotine | 1.28 | 0.3 | 4508 | 30 | 70 |
| vape pen nicotine levels | 0.2 | 0.4 | 8858 | 24 | 40 |
| difference between e cigarette and vape pens | 1.8 | 1 | 572 | 44 | 46 |
| vape pen vs e cig | 0.23 | 0.5 | 6082 | 17 | 5 |
| are vape pens better than smoking | 1.77 | 0.5 | 5889 | 33 | 17 |
| how much nicotine is in 1 vape pen | 1.52 | 0.9 | 7767 | 34 | 32 |
| is there nicotine in vape pens | 0.08 | 0.1 | 8522 | 30 | 68 |
| vape pen for nicotine | 0.53 | 0.6 | 2451 | 21 | 45 |
| vape pen nicotine free | 1.96 | 0.8 | 8122 | 22 | 35 |
| nicotine vape pen cartridge | 1.26 | 0.1 | 5843 | 27 | 71 |
| vape pens rechargeable nicotine | 0.34 | 1 | 4595 | 31 | 50 |
