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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 13 - Jun 18
For Your Every Summer RSVP, with Code: SUMMER15
Description
Vitalograph Lung Age MonitorModel: 4000 Dimensions: 109mm (length) x 63mm (width) x 42mm (height) Flow Detection Principal: Stator rotor Accuracy: Better than 3% Back Pressure: Less than 0. 15kPa L second @ 14L s Measurement Range: 0 9. 99 L BTPS Power Supply: 3V (2 x 1. 5V AAA batteries) Battery Life: 3 months of use, 3 tests per day Quality Check: Slow start of test (Vext>5%) or a cough detected in the first second Performance Standards & Guidelines: ATS ERS 2019, ISO 26782:


Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 2247 reviews
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Product Reviews
★★★★★ 5
Great socks
Size: Large, Color: (001) Black / Black / Pitch Gray
Love the quality of this great product very comfortable and fits really good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 31, 2025
★★★★★ 5
Happy husband
Size: Large, Color: (001) Black / Black / Pitch Gray
Husband loved the socks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
★★★★★ 5
Good quality
Size: Large, Color: (100) White / White / Pitch Gray
These hold up really well. The extra cushion in the heels helps
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 2, 2025
★★★★★ 5
My favorite socks.
Size: Medium, Color: (001) Black / Black / Pitch Gray
I love these socks. Whe. The time comes to replace them, I will be replacing them with the exact same ones.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 27, 2025
★★★★★ 5
Great Sox!!
Size: One Size, Color: Green
I like these Sox a lot!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
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