Here we have a plastic gallon, real worlds size (18.9L) and bottle (0.33L)

Versatile material and easy to personalize 

Subsurfs not applied

Rotation not applied

Two main obj : 

- Gallon : 1k verts + tap 160 verts

- Small bottle : 900 verts (tap included)

Completely recyclable  ;)

Made in Blender 2.79

Available format :

.blend

.dae

.abc

.3ds

.fbx

.obj

.x3d