Welcome to the Cotton or Fiber Balls category at John Morris Group, your premier source for high-quality scientific instruments and supplies in Australia. Our selection includes the versatile Cell Swab Pur-Zellin® 4x5 cm, non-sterile and available in rolls of 500 pieces, perfect for various laboratory applications. We also offer Cotton Wool on Rolls, 500g, white, and non-absorbent, alongside packs of 400g 100% cotton wool, ensuring you have the best materials for your scientific needs. Trust John Morris Group for reliable and superior products to support your research and laboratory work.