I Recommend this item
If you read my review from before this one is the Update. Got the item today. 6-14-25 works great on my oxygen concentrator. fits in the slot in front, has its own attachment cap port. I recommend this product, I'd also like to say that USPS is a great shipping service only they give themselves at least 4 extra days. so if your told one thing don't be fooled it might arrive earlier than expect or what they've told you...LOL Read more








