What is the difference between vape and e-cig?
The terms are often used synonymously. Vape is usually used as a broader collective term for modern vaping products and e-cigarettes.
Search other questions or send your own if this answer is not enough.
They are intended for refillable DTL devices that use e-liquid with VG/PG 70/30. DTL means direct to lung. A pod or tank designed solely for VG/PG 50/50 is not automatically compatible.