Snail silencer muffler 1/2PT 20mm filter pump compressor accessories.. Silencer filter can be used in noisy equipment, such as blowers, air compressors, boilers, and exhaust ports.. Silencer filter can be used in noisy equipment, such as blowers, air compressors, boilers, and exhaust ports.. The filter allows airflow through it, but can prevent or reduce the spread of a sound device.. Allow airflow through the muffler, but can prevent or reduce the spread of a sound device..
