Rhythm TOC3 Transportable Oxygen Concentrator - Continuous Flow
Key Features & Benefits
- ✓ 3 LPM Continuous Flow & 10 Pulse Dose Delivery Settings
- ✓ Bag & Cart Included for Convenient Transport
- ✓ Up to 6.6 hours on Setting 1 (Up to 24/7 Use)
- ✓ Oxygen Concentration 90% - 3% / +5.5%
- ✓ Size: 11.1” x 6.7” x 15” | Weight: 17 lbs
Low stock
Couldn't load pickup availability
Speak To An Expert
FREE Shipping
30-Day Return Policy
24/7 Support
FSA/HSA Eligible
Similar Products

The TOC3 Transportable Oxygen Concentrator bridges the critical gap between hospital discharge and home oxygen therapy, delivering a true hospital-to-home respiratory solution built for continuous, reliable use. Designed for patients who need dependable oxygen support around the clock, the TOC3 provides continuous flow up to 3 LPM and pulse dose settings up to 10, ensuring personalized therapy whether resting, sleeping, traveling, or staying active.
Engineered for real-world mobility, this lightweight concentrator weighs just 17.2 lbs with battery and includes a carry bag and transport cart for effortless portability. Its long-lasting battery delivers up to 6.6 hours of operation on pulse dose setting 1, supporting extended outings, air travel, and daily independence. With universal AC input and quick recharge capability, users can stay powered at home or on the go.
The TOC3 features a bright 2.8” color LCD display with simple controls, making oxygen management intuitive for patients and caregivers alike. Delivering oxygen concentrations of 90% ± 3%, the unit supports respiratory rates from 10–40 BPM and is approved for 24/7 use, providing peace of mind for continuous therapy needs.
Ideal for homecare providers, discharge planners, and oxygen users seeking freedom without compromising clinical performance, the TOC3 supports safer transitions, better compliance, and improved quality of life.
HCPCS Codes: E1390, E1392
Warranty: 3 Years (Device) | 2 Years (Sieve Bed) | 1 Year (Battery)
- True Hospital-to-Home Oxygen Solution – Supports seamless discharge and reliable oxygen therapy from clinical settings to home use
- Continuous Flow & Pulse Dose Delivery – Up to 3 LPM continuous flow and 10 pulse dose settings for personalized respiratory support
- 24/7 Operation Capability – Built for continuous, around-the-clock oxygen use for dependable therapy day and night
- Lightweight & Travel-Ready – Weighs only 17.2 lbs with battery and includes a carry bag and cart for effortless transport
- Long-Lasting Battery Performance – Up to 6.6 hours on pulse dose setting 1; ideal for travel, errands, and extended outings
- User-Friendly Color LCD Display – Bright 2.8” screen with simple controls for easy monitoring and adjustment
- High Oxygen Purity – Delivers 90% ± 3% oxygen concentration for consistent, effective therapy
- Universal Power Compatibility – Operates on 100–240V AC for worldwide use and convenient charging
- Quiet & Reliable Operation – Designed for comfort and minimal disruption in home or clinical environments
- Supports Active Lifestyles – Ideal for flying, walking, sleeping, and daily activities without compromising therapy
- Quick Recharge Time – Fully recharges in approximately 4.5 hours for minimal downtime
- Comprehensive Warranty Coverage – 3-year device, 2-year sieve bed, and 1-year battery warranty for peace of mind


| Pulse Dose Setting | Duration | Continuous Flow | Duration |
|---|---|---|---|
| Setting 1 | 6.6 hours | 1.0 LPM | 3.1 hours |
| Setting 2 | 4.9 hours | 1.5 LPM | 2.5 hours |
| Setting 3 | 3.9 hours | 2.0 LPM | 1.9 hours |
| Setting 4 | 3.6 hours | 2.5 LPM | 1.4 hours |
| Setting 5 | 3.3 hours | 3.0 LPM | 1.2 hours |
| Setting 6 | 3.0 hours | — | — |
| Setting 7 | 2.6 hours | — | — |
| Setting 8 | 2.3 hours | — | — |
| Setting 9 | 2.0 hours | — | — |
| Setting 10 | 1.8 hours | — | — |
Comparison Chart: P2-S4 vs P2-E6 vs P2-E7 vs TOC3
Compare key specs at a glance—delivery type, settings, battery performance, size/weight, and travel readiness. Perfect for product pages, collections, or buying guides.
| Feature | P2-S4 | P2-E6 | P2-E7 | TOC3 |
|---|---|---|---|---|
| Oxygen Delivery | Pulse Dose (4 settings) | Pulse Dose (6 settings) | Pulse Dose (7 settings) | Continuous Flow up to 3 LPM + Pulse (up to 10) |
| Oxygen Concentration | 87–96% | 90% ± tolerance | 90% ± tolerance | 90% ± tolerance |
| Battery Duration (Setting 1) | Up to 7.2 hrs* | Up to 5.4 hrs | Up to 6 hrs | Up to 6.6 hrs |
| Weight | 3.3–4.4 lbs (battery dependent) | 4.37 lbs | 4.37 lbs | 17.2 lbs (with battery) |
| Dimensions | Approx. 6.7" H × 6.2" L × 3.4" W | 8.7" × 6.3" × 3.4" | 8.7" × 6.3" × 3.4" | 11.1" × 6.7" × 15" |
| Noise Level | Low / Quiet Operation | Low Noise | Low Noise | Quiet Operation |
| FAA Approved | Yes | Yes | Yes | Yes |
| Charging Options | AC & DC Car Charger | AC & DC Car Charger | AC & DC Car Charger | AC Power + External Charger Available |
| Best For | Ultra-light travel & daily use | Reliable portable therapy | Higher pulse settings & flexibility | Hospital-to-home & continuous flow needs |
*Battery duration varies by flow setting, battery condition, and configuration (where applicable).
P2-S4
Lightest, travel-friendly option with flexible battery configurations for extended time away from outlets.
P2-E6
Balanced performance and portability for everyday oxygen therapy with dependable pulse settings.
P2-E7
Expanded pulse settings for users who need more adjustment flexibility while staying compact.
TOC3
Hospital-to-home solution with continuous flow up to 3 LPM plus pulse mode—built for 24/7 reliability.
*Rx Only - Please note that this item can only ship once a physicians note or prescription has been sent to sales@dmesuperstore.com.
Specifications
| Flow Settings | 3 LPM Continuous Flow & 10 Pulse Dose Delivery Settings |
|---|---|
| Dimensions | 11.1" × 6.7" × 15" |
| Weight | 17.2 lbs (with battery) |
| Warm-Up Time | 5 minutes |
| Oxygen Concentration | 90% ±3% / +5.5% |
| Respiratory Rate Range | 10 to 40 BPM |
| Display | 2.8" Color LCD Screen |
| User Interface | Simple controls with easy-to-read LCD display |
| Usage | Designed for up to 24/7 operation |
| AC Input | 100–240V AC, 50–60 Hz |
| Battery Type | 14.4V DC Rechargeable Battery |
| Battery Duration | Up to 6.6 hours on Setting 1 (Pulse Dose) |
| Battery Charge Time | Up to 4.5 hours |
| Included Accessories | Bag and cart for convenient transport |
| HCPCS Codes | E1390 and E1392 |
Videos
Downloads
FAQs
- Device: 3-year warranty
- Sieve bed: 2-year warranty
- Battery: 1-year warranty
Warranty
Warranty:
-
Device: 3 Years
-
Sieve Bed: 2 Years
-
Battery: 1 Year
More From Rhythm Healthcare
-
Rhythm Cup Holder for 925, 925HD, 955, 956 and 960 Series Rollators
2 reviews$27.49 $34.99$27.49$27.49 $34.99 -
Rhythm Royal Deluxe Universal Aluminum 4 Wheel Rollator
Weight Cap: 300 lbs | Seat Width: 14.5" | Weight: 17 lbs
$189.89 $279.00$189.89$189.89 $279.00 -
Rhythm Rally Lite - Aluminum 3 Wheel Walker Rollator with Tote - Only 10 lbs
Weight Cap: 250 lbs | Weight: 11 lbs
$127.89 $219.00$127.89$127.89 $219.00 -
Rhythm Royal Universal Aluminum 4-Wheel Rollator with Universal Height Adjustment
Weight Cap: 300 lbs | Seat Width: 18.5" | Weight: 15 lbs
From $132.89 $219.99$133.89$133.89 $219.99 -
Rhythm Crescendo Folding Rollator - Euro Style - Lightweight
1 reviewWeight Cap: 300 lbs | Seat Width: 18" | Weight: 17 lbs
$288.00 $429.00$288.00$288.00 $429.00 -
DC Power Adapter for the P2/P2-E6/P2-E7/TOC3 Rhythm O2 Concentrators
$139.00 $179.00$139.00$139.00 $179.00 -
Rhythm Pediatric Flowmeter - Designed For Precise, Low-Flow Oxygen
$264.50 $329.00$264.50$264.50 $329.00 -
Rhythm Bariatric Crescendo Folding Rollator - Only 18.9 lbs
Weight Cap: 400 lbs | Seat Width: 22" | Weight: 18.9 lbs
$396.45 $519.00$396.45$396.45 $519.00 -
Rhythm Arpeggio Folding Portable Rollator with XL 8"Wheels - Champagne
1 reviewWeight Cap: 300 lbs | Seat Width: 18" | Weight: 17 lbs
$328.50 $429.99$328.50$328.50 $429.99
Featured collection
-
Nova Medical
Nova Medical Star HD Bariatric Rollator Walker - Open Box
Weight Cap: 450 lbs | User Range: 4'11"-6'4" | Weight: 20 lbs
$175.00 $309.99$175.00$175.00 $309.99Only 1 units left -
Nova Medical
Nova Medical GetGo Rolling Rollator Walker - Open Box
Open Box | Weight Cap: 300 lbs | Weight: 17 lbs
$130.00 $259.99$130.00$130.00 $259.99Only 1 units left -
Triumph Mobility
Triumph Mobility Essentials Walker with Seat - Like New Slightly Used
Weight Cap: 300 lbs | Seat Width: 15.5" | Weight: 12.8 lbs
$120.00 $229.99$120.00$120.00 $229.99Only 1 units left -
Miracle Mobility
Miracle Mobility Portable 4N1 Walker Wheelchair - Open Box
Weight Cap: 220 lbs | Range: 10 Miles | Total Weight: 41 lbs
From $999.00 $2,399.00$1,399.00$1,399.00 $2,399.00Only 4 units left -
Miracle Mobility
Miracle Mobility Platinum 8000 Portable Powerchair - Open Box
Weight Cap: 396 lbs | Range: 15 Miles | Weight: 51 lbs
From $1,299.00 $3,299.00$1,599.99$1,599.99 $3,299.00Only 2 units left -
Climbing Steps
Freedom Electric Mobile Transfer Patient Lift - Open Box Slightly Used
Weight Cap: 300 lbs | Weight: 60 lbs | Power Adjustable Seat
From $1,250.00 $2,399.99$1,250.00$1,250.00 $2,399.99Only 1 units left -
Medline
Medline Bedside Commode with Wheels & Padded Seat - Open Box
Weight Cap: 300 lbs
$95.00 $209.99$95.00$95.00 $209.99Only 1 units left -
Nova Medical
Nova Star 8 Petite Foldable Rollator with Wide Backrest - Open Box
Weight Cap: 300 lbs | Ideal User Height: 4’10”–5’4”
$159.00 $299.95$159.00$159.00 $299.95Only 1 units left -
EASWE
EASWE B10 Portable Folding Powerchair - Open Box
Weight Cap: 250 lbs | Range: Up To 30 Miles | Weight: 40 lbs
From $799.00 $1,399.00$799.00$799.00 $1,399.00Only 1 units left





















































