Trench Drain. Quick Drain’s new Pro Line linear trench drain fits a wider range of finished floor thicknesses than the company’s previous offerings and comes in more designs and sizes. The 1 1/2-inch-wide grille is made in five patterns in brushed, polished, or satin stainless steel, and fits flush in floors from 3/16 inch to 2 1/2 inches thick. It’s sold in 10 standard lengths from 26 to 68 inches and in custom sizes from 10 inches to 10 feet. A 48-inch drain costs about $365. Quick Drain USA, 866/998-6685, quickdrainusa.com.