EcoDry and EcoFlush Urine-Diverting Toilets. Attractive urine-diversion for do-it-yourself or under-floor composting toilet systems. The EcoDry Porcelain Urine-Diverting Toilet provides an attractive urine-diverting option for making your own composting toilet system (with an aerated barrel or other container) or to reduce the load on a below-floor composting toilet.