All Pro Series Coolers. Set The Comfort Level For You and Your Family and The Aerocool Pro-Series Evaporative Air Cooler Does The Rest. Combined with The Pro-Stat Program-Mable Thermostat, The Aerocool Pro-Series Will Automatically and Ef-Ficiently Operate The Equipment To Best Main-Tain Your Comfort Level While Using The Least Amount Of Energy.The Aerocool Pro Series Features The Pro-4X4 High Efficiency Media To Provide The Coolest Air Possible While Employing The Pro-Clean System To Maintain The Entire System. The Pro-Clean System Maintains The Cleanliness Of Your Evaporative Cooler By Automatically Draining The Cooler and Refilling with Fresh Clean Water, Thus Avoiding Scale Build-Up. The Water Used In The Evaporative Process Is Stored In-Side The Fully Encapsulated Pro-Armor Wet Section.The Aerocool Pro-Series Includes The Pro-Shield Weatherizing Panel For Use In The Off-Season To Prohibit Heat Loss and Unwanted Air From Entering The Home During Colder Months. Defending The Media From The Elements Of Winter Can Also Extend The Life Of Your Unit. The Aerocool Pro Series Evaporative Air Cooler, with It's Integrated System, Work Hard To Help Maintain The Performance and Efficiency While Allowing You More Time To - Live Your Life In Comfort.Pro-4X4 Media This High-Efficiency Blend Of Me-Dia Delivers Colder Air Than Any Other Home Comfort Evaporative Cooler Sold Today.Pro-Armor The Premier Single Inlet Cooler with Polymeric Inner Structure That Completely Shields The Wet Section From Corrosive Interaction.Easy Access Gravity-Held Doors Easy To Remove Access Doors Reduce Maintenance Time.Pro-Stat The Cooler's 'Brain' Saves Money By Giving Just The Right Amount Of Cool All The Time. The New 'Softspeed Transition' Feature Creates Smoother Operation When The Motor Automatically Changes Speed.Low Sump Pump The Most Powerful Pump On The Market Today. Us Patent #5,527,157Flomate Flomate-Quality Water Distribu-Tion System Improves Wet-Out. Us Patent #5,130,063Pro-Clean System Drains and Washes The Unit Daily and Can Save As Much As 3,000 Gallons Of Water A Month As Compared To Standard Bleed-Off System. Us Patent 5,527,157Pmi Exclusive Mirroscopic Blower Shaft Finishing Process This Yields A 90% Improvement Over The Industry Standard 'Ground Finish'. This Means Quieter Operation and Longer Bear-Ing and Shaft Life For Your Cooler!Factory Installed Wired Motors All Components Are Completely Pre-Wired By The Factory, Thus Reducing Installation Time and Increasing Reliability.Pro-Shield This Weatherizing Panel Prohibits Outward Heat Loss and Cold Air From Entering Into Your Home During The Off-Season. Easy To Install, Media Protection Is Also Afforded Thereby Increasing The Life Of The Unit.