Description Features Compatible with Spectra S2, S1, S9, M1 Breast Pumps Ensures proper suction and optimal pump performance Prevents breastmilk from contamination Components for Spectra Breast Pump Closed-System BPA/DEHP-free Check with insurance for HSA eligibility 90-day Limited Manufacturer’s Parts Warranty Overview | The Product Complete your pumping system with this essential Spectra Flange Kit, featuring a precision-engineered neck flange, protective backflow barrier, durable duckbill valve, and connecting tube. This high-quality kit is perfectly compatible with all Spectra breast pump models, ensuring optimal performance and comfort during every pumping session. Please note that if double pumping, you'll need to purchase an additional kit. | Affordability Dansons Medical believes that everyone, especially those struggling with illness, injury, or aging, deserves affordability. We aim to do this through a couple of ways: We provide free shipping on every product we have so that the price you see is the price you pay. We offer a low-price match guarantee. If you can find a lower price than us, contact us with a link and if allowed by the manufacturer, we will match it. We understand affordability means customer service done right. We aim to be as communicative as possible and incur as little problems as possible. Inclusions Inclusions of the Spectra Flange Kit Description Quantity Single Breast Flange (select size) 1 piece Back Flow Protector 1 piece Duckbill Valve 1 piece Tubing 1 piece