Dedakj 7L Adjustable
Key features
- Purity 30-90%
- Type Adjustable Purity
- Continuous Flow 1-7LPM
- Weight 6.5kg
- Oxygen Purity Indicator (OPI) No
- Power consumption 120watts
Specifications
| Purity | 30-90% |
|---|---|
| Type | Adjustable Purity |
| Continuous Flow | 1-7LPM |
| Weight | 6.5kg |
| Power consumption | 120watts |
| Sound level | 45db |
| Dimensions | 11.8H x 17.7W x 13.7Dinch |
| Indian Voltage Model | Yes |
|---|---|
| Company Headquarters | China |
Pros and cons
PROS
- 6.5 kg weight — genuinely portable
- 120 W power draw is class-leading
- 45 dB noise floor is bedroom-acceptable
- Wider 1–7 LPM flow range than the 6L
- Heavily discounted street pricing (as low as ₹10,080 on clearance listings)
CONS
- Purity 30–90 % — not medical-grade at most flow settings
- No alarms, no certifications documented on the brochure
- No OPI or purity analyser
- Dedakj's Indian service network is effectively just a loose network of small importers
- Wider flow range does not translate to better clinical utility because purity drops at high flow
Dedakj 7L is the 6L with a wider flow dial — same wellness-grade category
The Dedakj 7L is a minor variant of the Dedakj 6L reviewed elsewhere in this cycle. The manufacturer brochure and e-commerce product listings HHZ reviewed show a 6.5 kg, 120 W, 45 dB unit with 30–90 % adjustable purity, 1–7 LPM flow range, no alarms, no certifications, and a list price of ₹27,840 with current discounted pricing as low as ₹10,080 on the source listing. Stock currently Out of stock.
The category warning that opens every adjustable-purity review applies unchanged. The Dedakj 7L is not a medical oxygen concentrator. Purity varies with flow — at 1 LPM the unit approaches 90 %, at 7 LPM it is near 30 % enrichment over ambient air. These units are sold for wellness supplementation, recreational enriched-air use, short-term altitude acclimatisation for healthy travellers, and similar non-clinical applications.
The 7L’s value over the 6L is marginal — an extra 1 LPM of top flow range at lower purity. If anything the 6L is the slightly more sensible buy because its lower top flow is closer to a more usable purity range. The 7L’s advantage is purely that it is sometimes available at the lowest discount pricing (₹10,080) of any unit in this entire review cycle — which may matter for a specific budget-constrained wellness buyer.
What the specs actually mean
Purity 30–90 %. The category-defining spec. Not medical-grade at most settings.
Flow 1–7 LPM. Wider than the 6L’s 1–6 range. Practical utility is limited because higher flow correlates with lower purity.
Weight 6.5 kg. Essentially portable by anyone. 0.5 kg heavier than the 6L.
Power 120 W. Same as the 6L. ~₹225/month at 16 hrs/day.
Noise 45 dB. Same as 6L.
Dimensions 11.8 × 17.7 × 13.7 inches (H×W×D). Slightly wider than the 6L’s vertical footprint; more tabletop-oriented.
Alarms: all blank. Standard for the category.
Certifications: blank. Standard for the category.
Who should buy it
Same audience as the 6L. Wellness users, recreational enrichment, short-term altitude travellers. The discounted pricing (₹10,080 on clearance) makes the 7L the cheapest entry into the entire adjustable-purity category when in stock.
Who should not buy it
Any patient on a medical oxygen prescription. Please read the Yuwell 8F, Oxymed Mini or Philips Everflo reviews instead.
Alternatives
Dedakj 6L, ₹21,120 list. Lighter, narrower flow range, similar price. Either is functionally interchangeable.
Dedakj 1S 8L, ₹29,760. Wider 1–8 LPM range, similar specs otherwise.
Dedakj 2A 9L, ₹29,760. 2–9 LPM range, otherwise similar.
Yuwell YU300, ~₹27,000 street. Slightly better Indian service than Dedakj.
Yobekan 2–9L, ~₹30,000 street. Direct category peer.
Owgels Oxystar 7L, ~₹30,000 street. India-HQ-claim wellness unit.
If the correct buy is medical:
Yuwell 8F, ~₹20,000 street. Genuine medical 5 LPM at similar budget.
Oxymed Mini, ~₹35,000–45,000 street. Indian medical reference.
Indian-market considerations
Dedakj is the highest-volume adjustable-purity brand imported into India but has the most fragmented distribution — dozens of small importers on e-commerce platforms, most without structured service networks. The specific importer of your unit matters more than the Dedakj brand itself. CDSCO MD-14 classification is inconsistent across importers; verify before purchase. (CDSCO)
Spare-parts supply is the Dedakj category’s one saving grace — parts (sieve beds, small compressors) are cross-compatible with Yobekan, Owgels and similar platforms and are cheap (₹2,500–5,000 for major components).
Warranty from importers is typically 1 year as a nominal courtesy.
The ₹10,080 clearance pricing observed on the source listing reflects this category’s commodity economics — old stock, dead-end distribution, willingness to liquidate at cost. For a genuine wellness buyer who has read and accepted the category caveats, that pricing is the most legitimate entry point into any enrichment unit.
Verdict
The Dedakj 7L is a functionally identical variant of the Dedakj 6L with a 1 LPM wider flow range. Its 4.7 score reflects category-appropriate hardware, the occasional availability at the lowest pricing in this entire review cycle (₹10,080), and the recurring serious concern that adjustable-purity units are frequently mislabelled in Indian e-commerce as medical oxygen concentrators. If you are a genuine wellness user at the entry-point budget and have read the category caveats carefully, the Dedakj 7L at discount pricing is a defensible purchase. If you came here looking for a medical oxygen concentrator, please stop and read the Yuwell 8F or Oxymed Mini reviews. This is the single most important distinction in this entire review cycle.
