https://www.dhx-protectiveequipment.com/product/disposable-sampling-swab/b-type-nasal-disposable-sampling-swab.html
Model: B Type (nasal swab);
Specifications: 3cm, 6cm, 7cm, 7.5cm, 8cm, 8.5cm, 9cm, 10cm, 12cm, 15cm, 17cm, 20cm, 22cm, 25cm.