What is the highest quality Pcr inactivated Dna control or Nattrol for Respiratory Verification viral reference serum panel (20 x 0.2ml/vial)?

/ Verification Panel / By

The NATtrol Respiratory Verification Panel from Zeptometrix Inc. supplied next week by Gentaur is the best reagent. The catalog number is NATRVP-IDI and the price is 770 EUR.