Spout features hidden water-efficient, laminar flow aerator. 1-hole installation. Ceramic cartridge. Integrated rotary valve rotates 90° from cold to hot temperature. Textural knurling detail on all finishes except teak accent models (PCTK & NKTK). Trim only; must order rough (R65700) separately. MUST ORDER DRAIN SEPARATELY; push button or grid strainer drains available