Philips Avent Multicolor Straw Cup 200 ML with Handle,AntiLeak Valve For9M+ Kids | eBay
Duckbills Suitable for speCtra S1/S2/9 & Philips AVENT Comfort Breastpumps, 4pc/pk [P005.2G-4D] - US$4.50 : Zen Cart!, The Art of E-commerce
Amazon.com : Nenesupply 4 pc Duckbill Valves Compatible with Medela and Avent Pumps Not Original Medela Pump Parts Work with Medela Pump in Style Medela Symphony Replace Medela Valve Membrane and Avent
Philips Avent Valve Replacement for Manual or Electric Breastpump - Amedsupplies.com