Duckbill Valve Replacement Set #MM012388 Milliken & Company Sale! from $12.99 USD $16.95 USD /per Produc variants Default Title Qty. Add to Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Couldn't load pickup availability Refresh Tweet This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. UOM- 1 EACH For use with Spectra S1, S2, and 9 Plus breast pumps. Set of 2 Specifications Features & Specs SPEMM012388 Unit_of_measure Set of 2