Features:
1. First rebuildable Freemax for Marvos series products
2. Two-side & top airflow control
3. Replaceable 810 drip tip for DTL
4. V-shaped groove design at the edge of the 810 drip tip
5. Compatible with both replaceable mesh and DIY
6. A spring-loaded ceramic block to support the cotton
7. Twist-lock design for building easily
8. 3.5ml capacity, bottom refill system
9. Strong magnets