I think the water flow and pressure is perfect for a sink. I did quite a bit of research first. I'm glad I didn't go any larger. This is also small enough to run off a 12v cigarette plug, which is on my Power Supply and in my truck if I don't want to bring my power supply.How is the water flow and pressure? Only 1.3 gpm doesn't seem like much.

I forgot. If you want to use a tailgate, you definitely need a mat to kneel on! I made my own.
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Great idea!!What is really nice is 1/2 knee mat and the other half a plastic cutting board!