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Spectra Duckbill Valve Set of 2$5.99
Spectra Replacement Duckbill valves are compatible with S2, S1, 9 Plus, M1, and DEW 350 pumps. Material: Silicone. Dimensions (Overall): 4.5 inches (H) x 3 inches (W) x 1.5 inches (D).
Weight: 4 ounces. Includes: Connector Valves. Compatible With: Most breast pumps.
Care and Cleaning: Air dry. Package Quantity: 2.