This is our back up dock side service A C unit. Our primary unit has run to well, this unit has sat and collected dust and weather. Ready to go with power, hose and 6" duct connect. No control board in the box, plug it in and it runs. Blows ice cold air. Run off of dock water or rig a March pump if needed. Designed to be ducted into a dock side engine room. Duct not included. We use non insulated 6" duct on our primary unit. Blows cool air on your working tech. Chills the engine room over night. Our primary unit still runs great and will be on the market soon also. Moving and retiring,, again.. In Jax 32210. Please come by and pick it up. $350 OBO, FOB Jax