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- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 28 - Jul 3
For Your Every Summer RSVP, with Code: SUMMER15
Description
Van 4 chiều Philips Respironics Everflo ASCO4 Way Valve ASCO Part No. EFV 261 Kit includes all Gaskets, Springs and Seals needed to fully repair the ASCO Valve. Used in: Respironics Everflo Concentrators

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 842 reviews
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Product Reviews
★★★★★ 5
Direct fit
Style: Standard Air Filter
Good price and direct fit, good quality, compatible with factory filter, easy install for DIY service.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Less price same product
Style: Standard Air Filter
Fits well better price than Fram
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Air intake
Style: Standard Air Filter
Good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
★★★★★ 5
Perfect fit, no problems.
Style: Standard Air Filter
It fit perfect in my grandson's 2013 Subaru Outback. It went right in with no problem. And you can't beat the price. Will definitely purchase again.
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Reviewed in the United States on January 13, 2026
★★★★★ 4
Did not fit well - IMO
Style: Advanced Air Filter
Seems to fit but not as snug as the original...should work but not awesome
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Reviewed in the United States on September 24, 2024




