| abstract |
An object of the present invention is to provide an air purifying filter which is compact, can be mounted on various devices, has appropriate strength, is easy to handle, and has excellent air permeability. To provide. According to JIS-Z-1516, "corrugated cardboard for exterior use", a filter having an air cleaning function, preferably a dust-removing property, more preferably an electret-containing filter, and a gas-permeable filter are provided. A single-sided corrugated cardboard-shaped air purification filter produced by using a base material having the same as a liner. |