Designed for cloud chasers, the Petri Quadflo Cloud Cap has twice the airflow as the standard cap. This 3 Piece set comes complete with the colored sleeve of your choice, a matching top cap, and a new glossy gold trim cap. Constructed of hard anodized aluminum and packaged in Dotmod's iconic custom branded glass bottle. Turn your Petri atomizer into a real cloud machine with the Cloud Cap's two large holes on each side for double the airflow. Fits all Petri v1, v1.5, and v2 RDAs.