BOSS® Gun & Foam Cleaner is a ready-to-use cleaning aerosol for use on BOSS® foams. It cleans and partially dissolves fresh and uncured PU foam and foam stains. It is also necessary for the cleaning and maintenance of PU foam guns. BOSS® C-33 Gun and Foam Cleaner is fitted with a regular threaded adapter for foam guns and includes spray attachment as well for use with a range of products.