pumpmom backflow adapter for spectra s1, spectra s2 pump to use most medela flanges and bottles; connects between medela breastshield and spectra backflow protector (pumpmom flange adapter) pumpmom-us <p>pumpmom flange adapter for spectra backflow protectors that come with spectra s1 pump, s2 pump and 9 pump to use with breastshield (flange) and flange connector from a major brand. </p> <p><b>why pumpmom?</b></p> <p>pumpmom is an innovator, designer and manufacturer of breastfeeding, bottle feeding, toddler feeding products. we are driven by a strong desire to create seemingly insignificant products but help simplify parent's lives while retaining their personal style.</p> <p>we are a brand that you can 100% trust because we stand behind our products. we are committed to continuously improving our products using the feedback that we receive from users. meeting this goal responsibly is at the heart of everything we do.</p> <p><b>what is 1 year warranty?</b></p> <p>for 12 months after the date of purchase, pumpmom warrants all products to be of the highest quality in material, craftsmanship and service for a minimum of 12 months, effective from the date of purchase.</p> <p>you can rely on pumpmom for supreme quality and unparalleled customer support, if you need us. we take care of all quality-related issues with a replacement or full refund. </p>