I looked for filters that said they would fit my Shark NV105 and couldn't find one but it was the right shape so I tried them out. They fit perfectly and look exactly the same thickness and quality. like original filter.
Pros
CRUCIAL VACUUM manufacture high quality air purifier replacement parts and guarantee the quality and workmanship of all of our products. We conduct rigorous quality control to ensure compatibility with the Shark vacuum foam and felt filters listed above.