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Rio II Nasal Pillow CPAP Mask front view
3B Medical

Rio II Nasal Pillow

3.9· 112 owner reviews
Nasal Pillow

Lightweight pillow mask with a split-back strap and velcro adjusters for extra headgear precision. Comes in a convenient Fit Pack with S/M/L pillows.

Side sleeperTravel-readyWhisper quietActive sleeper
Where to buy
Prescription required
Amazon· Prescription not required
Starter Pack (S/M/L)Link unavailable

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AI insight
Based on specifications & design characteristics

The split-back strap creates a triangulated support system that distributes headgear tension more evenly than single-strap designs — owners with larger head circumferences or thick necks note notably better stability. Coming with a Fit Pack (S/M/L) is above-average value at this price point.

comfort4.0
seal3.9
noise4.3

Overview

Where it shines

  • Split-strap headgear adds extra stability
  • Velcro adjustment is very precise
  • Fit Pack included
  • Unique swivel for active sleepers

Worth knowing

  • Velcro headgear less stable than clip systems long-term
  • Niche brand, limited retail
  • Fewer reviews than major brands

Who it fits

Side and stomach sleepers

Based on mask design, seal type, and sleep position compatibility.

Travel

Based on mask design, seal type, and sleep position compatibility.

Budget-conscious users

Based on mask design, seal type, and sleep position compatibility.

Specs

Mask typeNasal Pillow
Brand3B Medical
Sleep positionsSide, Back, Stomach
BreathingNose
Beard-friendlyYes
Hose connectorStandard 22mm

Reviews (112)