Keep your pumping sessions seamless and efficient with the authentic Spectra Premium Breast Shield Set. This all-in-one kit provides factory-certified replacement parts to instantly restore your pump to maximum hospital-strength performance. Features: Universal Spectra Compatibility: Engineered to fit flawlessly across all models including the Spectra S1+, 9+, Dual S and Dual Compact. Premium BPA-Free Materials: Every single component that comes into contact with your liquid gold is 100% free from BPA and DEHP for ultimate peace of mind. Upgraded Milk Storage Bottle: Features a sleek, molded-grip 5 oz (160mL) collection bottle with clear measuring scales that is perfectly sized for fridge or freezer storage. Set inclusive of: Please note: Each kit contains components for one side (single pumping). If you double-pump, please purchase two sets. 1 x 28mm Wide Neck Breast Shield 1 x Airtight Silicone Tubing 1 x Backflow Protector (complete casing and silicone membrane) 1 x High-Efficiency White Silicone Duckbill Valve 1 x 5 oz (160ml) Wide-Neck Milk Storage Bottle