



Rhythm TOC3 Transportable Oxygen Concentrator - Continuous Flow
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 [email protected].
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
Original: $2,689.00
-70%$2,689.00
$806.70Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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 [email protected].
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






















