Are you looking at the "OEM" that also has a part number 11013-2179 on Amazon? I did a search and found that PN elsewhere for 9.79 plus shipping.
Personally, I think I'd buy the foam filters and then some foam filter oil and call it a day.
Amazon
https://www.amazon.com/Husqvarna-Part-Number-531004430-Filter/dp/B013TDIZJC/ref=sr_1_1?dchild=1&keywords=Husqvarna+531004430&qid=1605791076&sr=8-1#customerReviews
Pro Parts Direct
https://www.propartsdirect.net/Parts/Element-Air-Filter__11013-2179.aspx
Russo Power
https://www.russopower.com/parts/kawasaki-11013-2179
If the filter on Amazon labeled as a Kawasaki filter will fit, so will these using the Kaw PN