AF 1 Idylis B HEPA Filter and 4 Carbon Filter, Compared to Part # IAF-H-100B, IAFH100B, 302656 1 Idylis HEPA Filter & 4 Carbon Filter part # IAF-H-100B, 302656 IAP-10-125 & IAP-10-150 Made in the USA Aftermarket product meets or exceeds OEM specs