RADT is specific but can miss cases
They are lower risk, and you are less likely to be addicted to them, although thats not to say that theres no addiction or theres no risk
MERV (Minimum Efficiency Reporting Value) 15 filters are high-efficiency air filters designed to capture very small particles, including those associated with smoke

Kliment Ohridiski, Sofia, Bulgaria Velizar Shivarov Department of Research and Academics, Kathmandu Cancer Center, Bhaktapur, Nepal Sunil Shrestha Unit of Basic Medical Sciences, University of Khartoum, Khartoum, Sudan Emmanuel Edwar Siddig Department of Medical Microbiology and Infectious Diseases, Erasmus University, Rotterdam, The Netherlands Emmanuel Edwar Siddig Sport Physical Activity and Health Research & Innovation Center (SPRINT), Polytechnic Institute of Guarda, Guarda, Portugal Lus Manuel Lopes Rodrigues Silva CICS-UBI Health Sciences Research Center, University of Beira Interior, Covilh, Portugal Lus Manuel Lopes Rodrigues Silva Department of Biochemistry, Central University of Punjab, Bathinda, India Baljinder Singh Department of Pharmacology, Government Medical College and Hospital, Chandigarh, India Harmanjit Singh Department of Paediatrics, All India Institute of Medical Sciences, Bilaspur, India Jasbir Singh School of Medicine, Baylor College of Medicine, Houston, TX, USA Jasvinder A

The alarm system may have thrown a code which will help us out too
Children are especially susceptible to the dangers of secondhand smoke, making it a serious health risk for everyone