| 摘要 |
PROBLEM TO BE SOLVED: To provide a combined air purifying filter having both deodorizing and antibacterial properties in addition to high-efficiency duct collecting performance. SOLUTION: This air purifying filter has 99% or higher collection efficiency in the case of collecting particles having 0.3μm particle size at 5.3 cm/second wind velocity when measured according to JIS-B-9908 procedure 1. The filter is obtained by fabricating a dust collecting/deodorizing filter medium containing a deodorizing agent into a corrugated shape and integrating the corrugated filter medium with an antibacterial base material. It is preferable that the filter has the shape like one-side corrugated cardboard manufactured according to 'corrugated cardboard for exterior' described in JIS-Z-1516 by using the dust collecting/deodorizing filter medium as a center core and the antibacterial base material as a liner.
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