Perfect Fit: These authentic duckbill valves are compatible with NCVI 8111/S32/8131 wearable breast pump. Meet your breast pump accessories replacement parts needs. Made by NCVI, original NCVI pump parts
Food Grade Silicone, BPA Free: The silicone diaphragms and duckbill valves are made of food grade silicone which is very safe, BPA free, no leaking, soft and odorless; brings mom the best breastfeeding experience
Easy to Clean: These replacement duckbill valves can be sanitized with water steam, boiling water after each use
Replacement Guidance: Replace your duckbill valves every 4-12 weeks to optimize the performance of your breast pump
