Shark NV355 vacuum filters

Shark NV355: the foam and felt filter is part XFF350, and the post-motor filter is part XHF350. Source: Shark, checked November 6, 2026.

1Felt filterXFF350

Part numbers come from Shark (source 1, source 2), checked November 6, 2026. Amazon buttons open a search for the part number; we may earn a commission.

Where the model number is

On the underside of the body or behind the dust cup.