Used to clean 3M™ Elastomeric Facepiece Respirators. Individually packed 8 in x 10 in towelettes are alcohol free and will not damage the facepiece materials. The 3M™ Respirator Cleaning Wipes 504 clean and refresh elastomeric facepiece respirators, eliminating dirt and perspiration. For respirators worn by more than one person, these moist towelettes can be used between wearers for hygiene and sanitary protection. Each disposable towelette is sealed in its own protective wrapper for maximum freshness and moistness. The towelettes easily clean away lint and light dirt and contain no alcohol or harsh chemicals.