With the advent of modern day cleaning methods, modern day requirement is to produce filter bags for vacuum cleaner which stop every type of contaminant from dust to microbes from getting back into the environment. A melt blown filter media does this job well and hence is a very well accepted media for all exhaust applications. The vacuum cleaner bag grade media are available in various ranges in melt blown configurations and are available in basis weight of range of 19 to 40 gsm in melt blown and composite structure formats.