Sound Muffler Filter

["Precisely replaces for Proteam OEM part number 105800. Fits for Super QuarterVac,for AviationVac,for ProVac BP, and for compatible with various 10-quart backpack vacuum cleaners. directly replace your old part without modification.","Works as both sound muffler and exhaust filter, reduces exhaust noise , and captures post-motor particulates. It's solves noise disturbance and prevents dust from releasing into the air.","Specially designed for noise areas like offices, schools and hotels. It won't disturb working, studying or resting during cleaning.","High durable filter material, can be rinsed with water and air-dried for repeated use.","No professional tools needed, even a beginner can finish . do it by yourself,and restore your vacuum's performance quickly."]