Amaircare 4000 VOC CHEM Ultra VOC Annual Filter Kit is Amaircare standard replacement Filter kit for Amaircare 4000 VOC CHEM commercial air purifier.
Amaircare 94A1605UL (94‐A‐1605‐UL) ULTRA VOC Annual Filter Kit is Amaircare Optional filter with 30 lbs. of Amaircare Formaldezorb proprietary adsorbent for Amaircare Easy Twist air purifiers.