1 Disposable Mini Air/Water Filter Only Standard 1/4" Threads, Fits most Spray Guns and Air Tools Removes moisture and impurities from air lines before it reaches the spray gun or air tool. Reduces paint defects and increases shop productivity Attaches directly to spray guns or air tools High flow design minimizes pressure drop to spray guns making it ideal for HVLP's. remove oil, aerosols, smoke, condensed moisure and virtually all solid particles.