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USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 29 - Jul 4
For Your Every Summer RSVP, with Code: SUMMER15
Description
Vitalograph Lung Monitor USBModel: 4000 Dimensions: 109mm (length) x 63mm (width) x 42mm (height) Flow Detection Principal: Stator rotor Accuracy: Better than 3% (FEV1) Back Pressure: Less than 0. 15kPa L second at 14L s Measurement Range: PEF: 25 840 L min BTPS FEF25 75: 25 840 L min BTPS Maximum Test Duration: 6 seconds Power Supply: 2 x AAA batteries Expected Battery Life: 3 months of use at 3 tests per day Performance Standards and Guidelines: ATS ERS 2019, ISO 26782: 2009


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
4.1 ★★★★★
Based on 1838 reviews
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Product Reviews
★★★★★ 5
It works!
Fitment was great on my 2014 Subaru Crosstrek. Construction was solid and great that I don’t have to worry about changing it for 18,000 miles. Would purchase again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
★★★★★ 5
As described, great quality
Perfect fit and function for 2018 Subaru Outback
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Reviewed in the United States on January 15, 2026
★★★★★ 4
Good product
This is a long life filter without having to oil and wash like a lifetime k&n.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025
★★★★★ 5
Fits great
Excellent value for the money and fits great. Does exactly what you need it to.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 17, 2026
★★★★★ 5
buen articulo funciona perfecto.
buen articulo funciona perfecto.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
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