Split center post (4 post holes, 3 posts). Copper 510 connector.Â
"Flip" top cap held in place with hinge and heavy o-ring. 18 airholes, 9 per side.
Removable slanted airflow control cap with wide bore plastic tip, not 510-compatible.Â
Negative posts milled into deep deck.
Available in stainless or black finish.