Check out the Uwell WHIRL S2 Replacement Cartridge Pod - 2 Pack which is made for the Uwell Whirls S2 Kit. Each empty cartridge has a 3.5mL e-liquid capacity and a user manual is included inside each box. They a transparent so you check your e-juice levels and top up if required. Made with PCTG food-grade plastics. A minimum fill line shows you the lower limit of your refilling. Each cartridge has a bottom refill port which is secured by a silicone stopper.
 
 
Compatible Coils:
Whirl S
Whirl S2
 
 
Features:
Capacity: 3.5ML
Fill Method: Bottom Fill
Stopper (Silicone)
Compatible Coils: Whirl S & S2
Connection Of Pods: Magnetic Snap Fitted
Adjustable Airflow: Rotational
Authentic & Genuine
 
 
Included:
A purchase is for one packet containing two Uwell Whirl S2 Replacement Pods.