I work in aviation in remote areas at times, A couple things, the filters go the other way, the water coalescer filter goes first, Second, if you are in an area with humidity, the air inside will sweat and the water will settle out on the bottom, so have it tilted so you can drain it,, I posted on how to make a sock up that will draw water off the bottom in the fuel and oil section.. Also, you have to prevent sparks. the hose that comes with some pumps is called farm hose, and as no bonding wires inside the hose. You need to ensure there is continuity from the nozzle through the hose-tank-ground.. You can check it with a multi meter..