Tripp Lite's SmartRack SR1UPANEL200 is a 19" 1U blanking panel kit. The kit includes 200 pieces to fill from 1U to 200U of rack space. SR1UPANEL200 improves cooling efficiency inside the enclosure by filling unused rack space and optimizing airflow and preventing recirculation. Offers toolless mounting and fits any square hole, EIA compliant enclosure.