21mm Flange Maymom Pump Parts for Spectra S2/S1 (Small Flange) vs 16mm Flange Maymom Pump Parts for Spectra S2/S1 9 Plus (2x each)

Key Differences

Product A (B07X8FDMMV) provides 21mm flanges for Spectra S1/S2, while Product B (B0F992VSN4) provides 16mm flanges for Spectra S1/S2 9 Plus. Both list the same brand, similar included components and nearly identical ratings and review counts, so choose A if you need 21mm (small flange) fittings and choose B if you need 16mm fittings

21mm Flange Maymom Pump Parts for Spectra S2/S1 (Small Flange)

21mm Flange Maymom Pump Parts for Spectra S2/S1 (Small Flange)

Maymom • ★ 3.9/5 • Budget

Maymom 21mm flange set compatible with Spectra S2/S1, includes backflow protectors, tubes, duckbill valves, and bottles. Customers note good fit and value for spare parts, with mixed durability and bottle size opinions

Pros

  • compatibility with Spectra S1 and S2
  • includes multiple components (flanges, backflow protectors, tubes, valves, bottles)
  • good fit and value for money as spare parts

Cons

  • mixed durability feedback on backflow protectors
  • bottle size opinions vary
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16mm Flange Maymom Pump Parts for Spectra S2/S1 9 Plus (2x each)

16mm Flange Maymom Pump Parts for Spectra S2/S1 9 Plus (2x each)

Maymom • ★ 3.9/5 • Budget

16mm flange set with backflow protector, tubing, duckbill valves, and two bottles for Spectra S1/S2 9 Plus. Fits multiple Spectra pumps; valued as spare parts according to customers

Pros

  • Compatible with Spectra S1/S2 9 Plus
  • Includes multiple components (flanges, backflow protectors, tubes, valves, bottles)
  • Good value for spare parts
  • Positive fit and functionality reported by customers

Cons

  • Mixed durability feedback for backflow protectors
  • Bottle size received varies in customer reviews
Check current price on Amazon →

Head-to-Head

CriteriaWinner
Price Tie
Durability Tie
Versatility Maymom
User Reviews Tie