01Gold Standard
S1 Plus Hospital Strength Pump
$200
closed-systemhospital-gradeportable
Closed-system design prevents milk from entering tubing—no mold risk. Hospital-grade suction. Rechargeable battery for portability. WIC-approved.
Quality Score12/12
Purity
Evidence
Transparency
Value
Strong Evidence
◈
Ingredients & Purity
Closed-system: backflow protector keeps milk from tubing/motor. BPA-free collection bottles.
◇
Scientific Evidence
Closed systems recommended by lactation consultants for hygiene. Hospital-grade suction matches hospital pumps at home price.
○
Brand Transparency
FDA Class II medical device. Clear specifications published.
□
Value Assessment
$200. Best value for hospital-grade closed-system pump.
Why Not Alternatives?
Medela Pump-In-Style is open system—milk can backflow into tubes and motor, growing mold. Willow/Elvie are convenient but weaker suction and expensive pods.