Filaticum Antiviral provides antimicrobial protection for the entire lifetime of 3D printed products. The active substance, built in to the PLA matrix, has been shown to deactivate many kinds of viruses and has been tested to be effective against Feline Coronavirus, H1N1 and Norovirus viruses, among others. The latest tests (according to ISO 21702) by the producer of the active substance confirmed, that the reduction of Covid-19 (SARS-CoV-2) germs is much faster than in the control samples without active substance. Thus, the active substance can be used effectively in the protection against Covid-19, however, the antiviral activity of the 3D printed product has to be tested by the manufacturer of the final product in a specialized laboratory.