[Widely Compatible]:The valves and silicone diaphragms are for Zomee Z1/ Z2 , 8782/8780, for BabyBuddha's hands-free breast pump, Motif Twist Breast Pump [Pumping Efficiency the Same as ]: The quality and design is the same replacement parts, the valves without on the top and silicone diaphragm are engineered to prevent air leaks and backflow, ensuring a strong, stable suction for more efficient pumping [No Backflow, Non-Leaking]: Silicone diaphragms help keep the suctions strong and tight, avoiding back of the milk and speeding up the suction process. valves help the of the milk. These also help retain a strong suction to make pumping easier, faster, and more comfortable [Gentle&Safe Food-grade Material]: These breast pump replacement accessories are made of transparent food-grade silicone, free, super soft, odorless,The soft-touch material provides comfort for breastfeeding and promotes effective pumping without causing irritation or discomfort [Easy to Clean]: Wash valves and diaphragm after each use with warm soapy water and rinse well. Please use boiling water/steam, with a temperature of ≤100℃(212℉)for 5-10mins. Color: Transparent Material: Silicone Package Contents: 6pcs * Valves 4pcs * Silicone Diaphragm Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.