Philips Sonicare Cordless Power Flosser Nozzles Standard HX3042/00 2 PackThe Philips Sonicare Standard F1 Oral Irrigator Nozzle is designed for use with any Philips Sonicare Power Flosser. It offers a powerful clean by using a single stream of water to efficiently remove debris between teeth, promoting a healthier gum line. The nozzle is easy to use with a slim, angled design and guidance tip for correct placement. The set includes two F1 Standard Nozzles and is recommended for replacement every six months. Key Features