Amaircare 91A1407ET / 91-A-1407-ET 14-inch Easy-Twist Foam Pre-Filter is Amaircare original replacement pre-filter.
Amaircare 91A1407ET Easy-Twist Foam pre-filter is a washable, reusable filter.
Amaircare 91A1407ET 14-inch Foam pre-filter is used as a cover (sleeve) on the outer surface of the 14 inch Easy-Twist HEPA filter or the 14 inch ULTRA VOC canister.
Amaircare 91A1407ET 16-inch Foam pre-filters are available in the packs of 12 and 24 pre-filters.
Amaircare 91-A-1407-ET foam pre-filter protects main filters from faster contamination by large dust and dirt particles.
The Amaircare 91A1407ET Easy-Twist Pre filter's lifetime: 12+ months (on average).
Amaircare 91A1407ET Foam pre filter fits the Amaircare AirWash MultiPro air purifier and other air purifiers equipped with the 14 inch Easy Twist HEPA filter or 14 inch ULTRA VOC Canisters.

Amaircare Part Numbers.
Current: 91A1407ET / 91‐A‐1407‐ET