These dosing capsules have been designed with large amounts of airflow holes all over the capsule, both lid and body allowing much more airflow/vapor through to the user.
The lids screw onto the base of the capsule allowing for an easy fit. 
 
Compatible with the Storz and Bickel Mighty Medic vaporizers, 0.2g capacity.
 
Included:
5 x Stainless Steel Hiflo screw lid dosing capsules
1 x Metal keyring capsule caddy