What is the safest Pcr inactivated Dna control or Nattrol for Adenovirus 41 Stock (Qualitative) (1 ml/vial)?

The NATtrol Adenovirus Type 04 Stock from Ncbi publications supplied next week by Gentaur is the best reagent!!! The catalog number is NATADV4-ST and the price is 1.046 EUR.