It fits Iwata LPH400 guns with 16 mm Female, 1.5 mm Thread.
Sata RPS Adapter #1 125211 for Iwata Spray Guns LPH400 W400 And Many More
Sata RPS Adapter #4 125278 for Iwata Spray Guns Supernova LS400 WS400
Sata RPS Adapter #4 125278 for Iwata Spray Guns LS400 WS400 LPH300 AirGunsa W300
Sata RPS Adapter #2 125237 for SATA Spray Guns NR2000 KLC HVLP RP P SataJet 90
3M PPS 2 Adapter #27 26119
Replacement Plastic Cup for Iwata Spray Guns
