Free shipping on orders over $49.99  ·  $4.99 flat rate on everything else  ·  Ships Monday–Friday from Monroe, MI Free shipping on orders over $49.99

Health & Beauty > Medical Supplies

Maymom 18mm Breast Flange & Duckbill Valve Set for Spectra S1 S2 9 Plus

★★★★★ 98.6% positive · 2,154 verified eBay reviews
$14.67

$4.99 flat-rate shipping  ·  Free when your cart hits $49.99

New Condition · graded by hand

Original packaging, never used. Sealed or unboxed but unused.

Only 2 left in stock.

  • $4.99 flat rate · Free over $49.99Ships fast from Monroe, Michigan
  • Inspected & graded before listingCondition described honestly — no surprises
  • Backed by 2,154 verified reviews98.6% positive · eBay Top-Rated Seller
  • 30-day returnsNot as described? We make it right — see policy

Product details

Maymom 18mm Breast Flanges and Duckbill Valves are third-party replacement parts fully compatible with Spectra S1, S2, and 9 Plus breast pumps. Each set delivers suction performance comparable to OEM parts while remaining BPA and DEHP free. Item is new and sealed in retail packaging from the manufacturer.

Key Features:
Includes 2 x 18mm breast flanges and 2 x duckbill valves
Compatible with Spectra S1, S2, and 9 Plus breast pumps
Works with Spectra wide-neck, Avent, and Maymom wide-mouth bottles
Duckbill valves feature easy plug-in and removal with durable silicone build
BPA/DEHP free, FDA compliant, independently lab tested for safety

Technical Specifications:
Flange Size: 18mm
Material: Plastic flange, Silicone valve
System Type: Closed system
Model Number: S012W-F18Dx2

Ideal for nursing mothers seeking affordable, safe, and reliable replacement parts for their Spectra S1, S2, or 9 Plus breast pump.
Real Brands, Guaranteed
Every Item Graded
eBay Top-Rated Seller
Inventory Updated Weekly
Michigan-Based