The "A" tank only for the Spray Foam 600 Board Foot Fire Retardant set.Spec Sheet: httphttp://www.touch-n-seal.com/assets/pdf/STANDARD_MSDS_A_134a.pdfData Sheet: http://www.touch-n-seal.com/assets/pdf/TNS2KNON-FRTDSrevised7-6-9.pdf
Spec Sheet: httphttp://www.touch-n-seal.com/assets/pdf/STANDARD_MSDS_A_134a.pdf
Data Sheet: http://www.touch-n-seal.com/assets/pdf/TNS2KNON-FRTDSrevised7-6-9.pdf