
Looks like it pertains to some kind
of METHAMPHETAMINE superlab.
Breaking Bad Season 4, Episode 3

...distribution and production of
Fring's METHAMPHETAMINE enterprise.
Breaking Bad Season 5, Episode 8

All right next to the mother
of METHAMPHETAMINE syntheses.
Breaking Bad Season 4, Episode 4

l know all about METHAMPHETAMINE.
Breaking Bad Season 4, Episode 8

to cook METHAMPHETAMINE,
which he would then sell
Breaking Bad Season 5, Episode 11