LactationHub

Maymom Backflow Protector, Long Stem, for Spectra S1, S2 and 9 Pumps to use Medela Flanges and Medela Parts; 2pc

LunaBeautyy

Maymom Backflow Protector, Long Stem, Compatible with Spectra S1, S2 and 9 Pumps, Compatible with Medela Flanges and Medela Parts; 2pc

Bae & Bee Boutique

Maymom Backflow Protector for Spectra S1, S2, S9 (to use with medela flanges)

Legendairy Milk

Spare Backflow Protectors

Spectra Baby USA

Backflow Protector

Bunny Bottoms Boutique

Maymom Backflow Protector for Spectra S1, S2, S9 (to use with medela flanges)

Sandbaggy

Standard Backflow Security Cage – Backflow Preventer Enclosure (Green)

Voomi Supply

ARROWHEAD PK2014 14 in. Wall Hydrant Stem and Check Assembly

Pump Station & Nurtury

Spectra Backflow Protector

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Midwest Supply

957-OSY-FS3 | Backflow Preventer 957-FS Reduced Pressure Zone Assembly 3 Inch Stainless Steel with Outside Stem & Yoke Resilient Shut-Off Flanged | Watts

Cimilre Breast Pumps

Backflow Protectors

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Hygeia Health

Express/FIT Pro/Evolve 3 Piece Backflow Protector (2ct)

Spectra Baby USA

CaraCups Backflow Protector Replacement Kit

TB Electric

Warp 9 Stem lock

Apria Home

Spectra® Backflow Protector For S2, S1, S9, M1 Breast Pumps

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Inland Mama

Maymom - Short Stem Backflow Protector | Compatible with Spectra

Sprinkler Supply Store

Conbraco DC4A 1-1/4" Double Check Backflow Preventer

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Mainline Materials

Watts RK SS009M2-RT - Part of the RK-SS009 Series

Sturdy Sports

Masuri StemGuard Lite - Junior

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Redford Supply

Cold Snap (5°F) Backflow Preventer Cover (Beige)

Alpinestars

Nucleon Kr-Celli Back Protection Insert

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Every Ounce

Aaya | Backflow Protector for Spectra Pumps

The Firebird

Bonnet/Stem Assembly for 765 (1-1/2" to 2")

Alpinestars

Nucleon Plasma Back Protector Insert

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adeva-tech

EasySafe 160-S (Schacht)