C**M
Quality Product
These filters are used on my son's wheelchair for his sip and puff. It keeps his saliva from stopping his drive system. These work as they are supposed to and keep his wheelchair rolling.
TrustPilot
维克拉姆·D.
2 周前
Sneha T.
1 个月前
尤素夫·A.
扎伊纳布 N.
1 周前