DESC: This 4.3 cu. ft. I.E.C. equivalent high-efficiency EcoConserve washer uses over 70% less water and energy than pre-2004 traditional top load washers. The IntelliClean impeller delivers increased wash action and better cleaning performance. The 2X life drive system features long-lasting components for your home. 1. Equivalent volume per I.E.C. Int’l standard 4th Ed. based on 3.68 cu. ft. DOE measurement. 2. Based on time accelerated 20 year simulated testing normal cycle and average use.