The NA-SCW1 is a 20-piece set of individually packed NA-CW1 cleaning wipes for removing thermal compounds such as Noctua NT-H2 and NT-H1. Pre-moistened with a custom detergent mixture, these wipes are ideal for cleaning CPUs, GPUs and the contact surface of heatsinks in a quick and efficient manner.
https://www.amazon.com/Noctua-150x120mm-Thermal-Compound-Cleaning/dp/B07MZ4K67Y