MET ONE FEAGAIGA BT-620 Fa'atonuga Fa'atonu Fa'atonuga
A'oa'o pe fa'apefea ona fa'atulaga ma fa'agaoioi le BT-620 Particle Counter mai Met One Instruments. O lenei tusi fa'aoga o lo'o tu'uina atu ai fa'amatalaga auiliili ma fa'amatalaga mo le BT-620 Particle Counter.