Sludge Gun application for line set cleaning/conversion from R-22 to R-410A animation Tags: line conversion, line-set, r-410A, retrofit You Might Also Like Tips for Safe Handling and/or Use of Coil Cleaners January 2, 1995 3D Animated Coil Cleaning May 2, 2018 Different Types of Coil Cleaners April 20, 2023