Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 30 - Jul 5
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Description
Vitalograph COPD-6 Screener USBModel: 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: 2 x 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 23747: 2015, ISO
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.0 ★★★★★
Based on 2321 reviews
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Product Reviews
★★★★★ 5
They are not narrow. Enough wiggle room.
Size: 6 Big Kid, Color: Black/Black
One of the most comfortable sneakers ever. Great buy for the price.
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Reviewed in the United States on May 31, 2026
★★★★★ 4
Comodidad
Size: 3.5 Big Kid, Color: Black/Black
Muy cómodos y frescos
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Super shoes
Size: 5.5 Big Kid, Color: Black/Black
Very soft and light. Easy to use, fit great on thin feets
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Reviewed in the United States on December 8, 2025
★★★★★ 5
Me Encantaron !!
Size: 3.5 Big Kid, Color: Black/Black
Muy lindos duraderos de buena calidad y confort 👍
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Good
Size: 5 Big Kid, Color: Black/Black
My child wears it every day and loves it. The quality is decent.
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Reviewed in the United States on February 19, 2026
