*FREE SHIPPING is applicable to the following air purification systems only: Airocide ACS 100 FG, Airocide HD-Titan 100, Airocide GCS 25, Airocide GCS 50, Airocide GCS 100, Airocide APS 200 PM 2.5, Airocide APS 300. Offer applies to two or more units per Customer Account. FREE SHIPPING only applies to destinations in the  contiguous United States (excluding Alaska,  Hawaii, Puerto Rico,  U.S. Virgin Island and other U.S. territories). While supplies last. To be eligible, the Form or product consultation request must be received by Sterilumen™, Inc. by Friday, February 10, 2023, 11 PM EST. To be eligible for FREE SHIPPING, Airocide® orders must be submitted by Friday, March 10, 11pm EST. Cannot be combined with any other offers or applied to past purchases.