For those looking for a more airy vape, a perfect middle way between MTL and DL. Additional Air Pin kit which includes the following sizes: 1.8 - 1.9 - 2.0mm.

The airpins are suitable for a restrictive MTL shot.

Vape Systems BY ka v9 - Air Pin (airflow 2.2mm)

PEEK AFC DL for Cabeo  - Steampipes Airflow ring for Cabeo DL. Each ring has 2 air air holes of the same diameter. Available in 5 different sizes: 2.0mm - 2.5mm - 3.0mm - 3.5mm - 4.0mm

Air pipe (airflow 2.3mm) Vape Systems Suitable for BY-ka V7 - Caiman BF - Caiman RDTA

Vape Systems - BYka v8 RTA Air pipe (airflow 1.4mm)

Vape Systems - BYka v8 RTA   Air pipe (airflow 1.7mm)

Vape Systems - BYka v8 RTA Air pipe (airflow 1.2mm)

Airpipe 1.4mm per BY-KA V.11.

Airpipe 1.7mm per BY-KA V.11.

Vico  Air-Screw: 1.0 -1.5 -2.0 mm, compatible also with Baya side-air and Kuma rta

Additional Air pin with a single 1mm hole for Penodat V.1 PRO.