Vibrating mesh nebulizer W221/W121

pediatricfor respiratoryhand-held

Short description
Efficient, quiet and configurable respiratory therapy with the Portable Mesh Nebulizer W221/W121. Compact, Type‑C rechargeable and palm‑sized, it produces ultra‑fine aerosol for rapid medication absorption suitable for home, travel and pediatric or geriatric use.

Features

• Fine Mist Production: generates ≥0.2 mL/min with particle size 3.7 μm ± 25% for effective drug delivery.
• High Efficiency: >60% of particles < 5 μm to improve lung deposition.
• Low Residual Volume: maximum residual volume ≤0.5 mL to minimise wasted medication.
• Two‑Stage Adjustment: customizable delivery modes for children and adults.
• Auto Shut‑off Function: automatic shut‑down after 15 minutes (W221 standard model).
• Quiet Operation: noise level ≤50 dB for discreet, comfortable therapy.
• Portable and Rechargeable: Type‑C charging, ultra‑light palm‑sized design.
• Leak‑proof, detachable medicine cup for easy filling and cleaning.

What’s in the box

• 1 × Main Unit
• 1 × Medication Cup
• 1 × Plastic Bite
• 1 × Adult Mask
• 1 × Child Mask
• 1 × Type‑C Charging Cable
• 1 × User Manual
• 2 × Straps

OEM/ODM & Service

• OEM/ODM customization available to meet clinical branding and packaging requirements.
• Competitive pricing for bulk orders and flexible configuration options.
• Global logistics support and after‑sales technical training and documentation.

DAWEI Compressor vs Mesh Nebulizer (comparison)

• Technology: DAWEI Portable Compressor Nebulizer — Compressor (compressed air) / DAWEI Portable Mesh Nebulizer — Vibrating mesh
• Particle Size: Compressor — ≥60% particles ≤5 μm / Mesh — 3.7 μm ± 25%
• Noise Level: Compressor — ≤65 dB / Mesh — ≤50 dB
• Portability: Compressor — Compact ~560 g (requires AC) / Mesh — Ultra‑light ~40 g, palm‑sized, rechargeable
• Treatment Time: Compressor — 8–15 minutes per session / Mesh — 3–8 minutes per session
• Drug Compatibility: Compressor — All liquid medications (including suspensions/corticosteroids) / Mesh — Most solutions (some limitations with suspensions)
• Maintenance: Compressor — Weekly deep cleaning / Mesh — Daily rinsing + mesh replacement every 6–12 months
• Power Source: Compressor — AC adapter / Mesh — Rechargeable lithium‑ion battery
• Ideal For: Compressor — Home therapy, viscous medications / Mesh — Travel, pediatric and geriatric use

Notes
The product is available in two main variants: W221 (standard with 15‑minute auto timer) and W121 (lead‑free material version). Both variants share identical nebulization performance and particle specifications.

Technical specifications

• Model: W221 / W121
• Nebulization Rate: ≥0.2 mL/min
• Particle Size: 3.7 μm ± 25%
• Particle Efficiency: >60% (particles < 5 μm)
• Residual Volume: ≤0.5 mL
• Adjustment: Two‑stage customization
• Auto Shut‑off: 15 minutes (W221 only)
• Noise Level: ≤50 dB
• Charging Type: Type‑C (rechargeable)
• Included Accessories: medication cup, adult & child masks, plastic bite, Type‑C cable, straps, user manual