殺菌 さっきん消毒 しょうどく ざいでしょう
sakkinshōdoku zaideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 殺菌消毒剤

1. Probably a disinfectant.; Possibly a sterilizer.

Polite
Presumptive
Conjecture