【Hranio Breast Pump Parts】Hranio breast pump parts include 2 Flanges (21mm), 2 Duckbill Valves, 2 Backflow Protectors, 2 Tubes, 2 Bottles (with Travel Cap). Can be used for spectra replacement pump parts. Made by Hranio, Not Original Accessories for Spectra S1 Spectra S2. 【Safe for Both Babies and Moms】It is made of 100% food-grade silicone. It is skin-friendly, and BPA-free. 【Interchangeable with Spectra Replacement Pump Parts】Hranio accessories are as good sunction power as OEM spectra replacement pump parts. Compatible with Spectra S1, Spectra S2, Spectra 9 Plus. 【Easy to clean】Hranio breast pump parts can be sanitized with water steam, boiling water or microwave-steam bags, and you can use it with confidence. 【Customer Service】 If you receive the wrong size, please con**t us for a replacement. Hranio is dedicated to providing you with the best possible solution and ensuring your satisfaction. ASIN B0D7VDDZB8 Size FULL SET-21MM Color Transparent Brand Name Hranio Unit Count 2 Count Manufacturer Hranio Model Number SPEC-FULL-NEW Material Type Silicone Number of Items 2 Additional Features Double Pump Included Components Bottle Opener Manufacturer Part Number SPEC-FULL-NEW Is the item dishwasher safe Yes