3" NPSH Female x 2" NPT Male Adapter Aluminum Rubber Covered Fire Hose Lining - Inside Rubber

Lining - Inside Rubber

5" NH/NST Male Reducer

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

Using 2" Red Double Layered Fire Hose Without Fittings

Twist Valve Shut Off

3" NPSH Female x 2" NPT Male Adapter Aluminum Rubber Covered Fire Hose Lining - Inside RubberSpecifications Female Side 1 3 NPSH Female (National Pipe Straight Hose) Male Side 2 2 NPT Male (National Pipe Tapered) 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 8. 1 Through 8. 2 USDA