The Sports hepa-type filter is designed to trap particles less than one micron in size (sub-micron) and is more than capable of the removal of PM2.5 respirable particulate matter found in the countryside and urban environments. Filter is compatible with any Respro mask (with the exception of the Metro mask)
. Sports filter Pack: contains two replacement filters for use in the Respro SportstaT mask
. Filter is compatible with any Respro mask (with the exception of the Metro mask)