Here we have a plastic gallon, real worlds size (18.9L) and bottle (0.33L)
Versatile material and easy to personalize
Subsurfs 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