What is this???

[Walrus Gumboot]

It's a MasterBlend EL Diablo machine. But what is that contraption hanging out of the back with what looks like a large electrical cord attached to it?

 

[Lee Stockwell]

Apo.
Automatic Pump Out.

 

[Walrus Gumboot]

Thought that might be it, but I've never owned one. Thanks, Lee.

 

[dealtimeman]

It is a hydro irrigation pump connected to a 12v drive motor used as lee stated as a pumpout.

Hypro Diaphragm Pump

Model #: 9910-D30