Zoflora Disinfectant Fir Needle Amber 500ml Zoflora Disinfectant Fir Needle Amber 500ml Zoflora is a concentrated multipurpose disinfectant that kills 99. 9% of viruses and bacteria, including Covid-19, helping to protect you from potentially harmful germs, whilst also eliminating odours to leave a beautiful fragrance that lasts all day. Fir Needle Amber is an aromatic blend of crisp pine, orange zest and fir balsam accompanied by rich notes of black pepper, patchouli and amber.