Nenesupply 19mm 2 pc Flanges Duckbill Valves Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Backflow Protector

CONTAINS 2 19mm FLANGES Breastshields and 2 DUCKBILL VALVES MADE BY NENESUPPLY COMPATIBLE WITH SPECTRA S2 SPECTRA S1 SPECTRA 9 PLUS AND SYNERGY GOLD BREASTPUMPS Not Original Spectra S2 Flanges Not original Spectra pump parts WIDE MOUTH FLANGES Compatible and Interchangeable with Spectra valves Spectra backflow protectors and Spectra bottles Also work with Nenesupply bottles The flange funnels have smooth angles and do not rub against nipples It is comfortable while pumping The flange tunnel is at least 32mm long It is suitable for stretched nipples DIFFERENT FLANGE SIZES AVAILABLE 15mm 17mm 19mm 21mm 24mm 27mm 30mm DUCKBILL VALVES ARE EASY TO INSTALL AND REMOVE Maintain the same suction as Spectra duckbill valves Made from foodgrade silicone Safely tested by independent labs DISH WASHER SAFE TOP RACK Can be sterilized with boiling water water steam and microwavable bags BPA Free DEHP Free Comply with FDA regulations for food contact materials Tested by independent labs for safety SAME SUCTION AS ORIGINAL PUMP PARTS Backflow protectors fit securely on the flanges and form an airtight seal Bottles fit securely on the flanges