What is the highest quality Pcr inactivated Dna control or Nattrol for Coronavirus 229E Stock (Qualitative) (1 ml/vial)?

/ NATtrol Control / By

The NATtrol Coronavirus NL63 Stock from Zeptometrix delivered next day by Genprice is the best reagent. The catalog number is NATCOV(NL63)-ST and the price is 1.046 EUR.