2.5" NPSH Male x 3" NH (NST) Male Adapter Aluminum FFH1515NYFD and latch your female camlock

and latch your female camlock hose on

but you could also use some standard drinking jugs when you're on the go

Industrial & Fire Grade 3” NH (NST) x 6” NPSH Double Swivel Female Fitting Anodized Aluminum

5" NYFD Female side of adapter can hook into 1

2.5" NPSH Male x 3" NH (NST) Male Adapter Aluminum FFH1515NYFD and latch your female camlockSpecifications Male Side 1 2. 5 NPSH Male (National Pipe Straight Hose) Male Side 2 3 NH (NST) Male (National Hose National Standard Thread) Working Pressure 300PSI Max Test Pressure 1000PSI Max Material T 6061 Aluminum (Aircraft Grade) Finishing Anodized (99. 9% Lead Free) NFPA Standards 1963, 4. 12, 5. 1 5. 6. 4 (Corrosion Resistance) Military Standards MIL A 8625 Type III, Class 1 Industrial Standards International ASTM B221 UL Labs Standards 236