ivaronal Two Full Milk Collector Cup Sets with 24mm Flange Compatible with Momcozy S12 Pro/S9 Pro Breast Pump, NOT for S9/S12, Replacement Pump Parts with Duckbill Valve, Flange, Diaphragm, Linker, Collector 2p Overall-24mm is up for auction in Baby Products. The current bid is $1.50, 96% below the $39.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.