

The Rhythm P2 Series Portable Oxygen Concentrators
Freedom to Breathe. Anywhere. Anytime.
Lightweight, Reliable, Life-Changing Oxygen Solutions
The Rhythm P2 Series represents the pinnacle of portable oxygen technology—engineered for patients who refuse to let oxygen therapy limit their independence. Three models deliver the perfect balance of portability, oxygen purity, and battery life for active patients, travelers, and anyone requiring 24/7 oxygen support.
Why P2 Series Leads the Market
Ultralight Design at 4.37 lbs — Weighs less than a water bottle. Compact enough to fit in a backpack, purse, or carry-on. Freedom of movement without compromise.
FAA-Compliant for Aircraft — Travel internationally with confidence. Approved for POC carriage and in-flight use on commercial aircraft. Includes worldwide AC/DC chargers for seamless global mobility.
Extended Battery Life — Up to 6 hours on a single charge (P2-E7 setting 1). Charge in ~4 hours with AC. Freedom measured in hours, not minutes.
Whisper-Quiet Operation — High efficiency, low noise design. Use anywhere without disturbing others. Excellent heat dissipation for reliable 24/7 operation.
Simple, Intuitive Control — Easy-to-read 2.8" LCD display. Simple button operation. No complicated menus or learning curve.
Three Models. One Mission: Freedom.
P2-E7 — Premium Purity (7 Settings) | $2,995.00 Seven flow settings with the highest oxygen concentration at 93%. Up to 6 hours battery life on setting 1. Maximum output 1400 ml/min. The gold standard for patients requiring the purest oxygen, maximum daily freedom, and high-acuity oxygen needs.
P2-E6 — Enhanced Flexibility (6 Settings) | $2,495.00 Six flow settings with 90%-3%/+6% oxygen concentration. Extended battery life up to 5.4 hours on setting 1. Maximum output 1400 ml/min. Designed for active patients requiring more flexibility in oxygen delivery and extended daily use without premium pricing.
P2 — Essential Oxygen (5 Settings) | $1,995.00 Five flow settings deliver 87%-96% oxygen concentration for patients with moderate oxygen needs. Up to 5 hours battery life on setting 1. Compact, lightweight, ultra-quiet operation. Perfect for patients prioritizing portability, simplicity, and accessible pricing.
Universal Features (All Models)
Compact 8.7" x 3.4" x 6.3" design fits any lifestyle
2-minute warm-up time for immediate use
Worldwide AC power (100-240V, 50-60hz) + DC car charger included
2.8" LCD display with simple, intuitive controls
Comprehensive alarms (power, temperature, oxygen concentration, battery, pressure, sieve bed)
FAA-compliant for aircraft use and international travel
Designed for 24/7 continuous operation
5-year device warranty | 2-year sieve bed warranty | 1-year battery warranty
Clinical Benefits & Applications
Active Lifestyle Support — Ultralight, portable design enables patients to maintain work, travel, and social activities without oxygen therapy limitations.
Travel Freedom — FAA-compliant for aircraft use. Worldwide power compatibility. Patients can travel internationally with confidence.
Continuous Care — Designed for 24/7 use with extended battery life. Reliable operation in any environment.
Oxygen Purity Options — Three models allow selection based on patient oxygen requirements and lifestyle demands.
Caregiver Peace of Mind — Comprehensive alarms monitor power, temperature, oxygen concentration, battery status, and sieve bed condition. Simple operation reduces caregiver burden.
Why P2 Series Delivers Value The P2 Series eliminates the false choice between oxygen therapy and independence. Patients no longer sacrifice mobility, travel, or quality of life. Ultralight design, extended battery life, and FAA compliance enable active living. Three price points ensure every patient—regardless of budget—can access reliable, portable oxygen therapy.
Who Chooses Each Model
P2-E7 — Premium Choice
High-acuity patients requiring maximum oxygen purity (93%)
Patients with demanding daily oxygen needs
Frequent international travelers requiring maximum battery life
Healthcare providers seeking the gold standard in portable oxygen
P2-E6 — Smart Choice
Active patients requiring flexibility and extended battery life
Travelers balancing performance and value
Patients with moderate-to-high oxygen needs
Facilities seeking the optimal performance-to-price ratio
P2 — Essential Choice
Patients with moderate oxygen needs
Budget-conscious patients prioritizing portability
Backup oxygen systems for facilities
Patients valuing simplicity and ultralight design
The P2 Series Advantage
Lightweight. Reliable. Life-Changing.
The Rhythm P2 Series Portable Oxygen Concentrators deliver ultralight design, extended battery life, and FAA compliance—engineered for patients who refuse to let oxygen therapy limit their independence. Three price points, three levels of performance, one mission: freedom to breathe.
Contact Us Today
(888) 289-3995
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Government & Business Registration Information
O’Brien Legacy Group LLC is a registered U.S. small business and approved federal vendor supporting simplified acquisitions and micro-purchases for federal, state, and local agencies.
Federal & Business Identifiers
SAM.gov Status: Active
UEI: KN17WTX55Q97
CAGE Code: 17GA1
Dun & Bradstreet (D&B): Registered
Capabilities Include:
Medical equipment & supply support
Equipment replacement & lifecycle support
Wound care and clinical consumables
Preventive equipment maintenance
Exterior facility services, including pressure washing and site maintenance
Property and grounds support services
Services are provided as commercial off-the-shelf (COTS) offerings and are well suited for micro-purchases and simplified acquisition thresholds.