Airtac

A, B Series F.R.L

AC, BC

AC

Filter + Regulator + Lubricator

AFC, BFC

AFC

Filter Regulator + Lubricator

AFR, BFR

AFR

Filter Regulator

AF, BF

AF

Filter

AR, BR

AR

Regulator

AL, BL

AL

Lubricator

Airtac A B Series is classic model FRL, they have price advantage with good flow rate, but the model selection is limited.

GA series have better flow and more selection.