Rayon viscose fiber / polyester fiber / nylon flocking swab head does not react chemically with reagents. Sampling is more professional and suitable for sampling various DNA viruses. 1. The flocking swab has a break. 2 The polyester fiber has no break, but it can be broken. Total length 15CM
100pcs /bag 100bags/carton
gw 13 kg
nw 12kg
size 60*48*40cm