1) Vnat Transfer tube (cat no: bs na 513) 2) itube (cat no: bs na 204) 3) direct rt qpcr sars cov 2 (cat no: bs sy sc2) 4) direct covid 19/flu rt qpcr (cat no: bs sy si) 5) direct covid 19/flu/rsv rt qpcr (cat no: bs sy sir) 6) direct respiratory tract rt qpcr mx 24t panel (cat no: bs sy mx24t).