The 3M PPS 2.0 S2 adapter fits the Fuji Spray
T75G,
MPX-30 Gravity Feed,
LX-20 Gravity Feed and
PRIMIS P30, so the gun takes 3M's disposable PPS 2.0 cups: mix in a liner, spray, throw the liner away, with no cup to clean. It is stainless steel and stays on the gun; each cup locks onto it with a push and a quarter turn.
It is the short adapter, which keeps a gravity gun's footprint small for getting into tight spots.
Fuji's walkthrough shows the install.
On a Fuji turbine gun, Fuji specifies the High Output (H/O) cup: the
Midi or the
Large. Its base takes the gun's pressure tube, so turbine air collapses the liner as you spray. The cup doesn't surge as it runs low, and the gun sprays at any angle, upside down included. Lids and liners go inside it, from a Cup Kit or the refill packs.
On a Fuji compressor gun the adapter takes the standard PPS 2.0 hard cup from a
Mini,
Midi or
Large Cup Kit, with no H/O cup needed. Drop a liner into the cup, lid it, then push the gun onto the lid and give it a quarter turn.
📄 Fuji Spray Quick-Start Guide: Installing the 3M PPS Cup System on Turbine Guns.