Description:
Safe&Durable material: made of silica gel, safe and soft.Durable enough for serving for a long time.
Compatible model: for waterpik WP100 WP-450 WP-660 WP250 WP260 WP270 WP300 WP305 WP310 WP112 WP113 WP115 WP117 WP900 WP130 WP140
Easy to use: Keep your water flosser with factory pressure pressure.work well and are easy to install
Package: 
6pcs Replacement Part for water reservoir valve/ gasket
Warm notice: 
recommend to check the model number before purchasing Recommend to change your gasket every 3 months for hygiene issue and efficiency