固相微萃取萃取头组合套件 1

固相微萃取萃取头组合套件 1, Assortment #1, Fused Silica (1 cm), needle size 24 ga, Autosampler, pk of 3

固相微萃取萃取头组合套件 1, Assortment #1, Fused Silica (1 cm), needle size 24 ga, Manual Holder, pk of 3