F400B Austin Air Large Replacement Pre-Filter White

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The Austin Air F400B Replacement Pre-Filter replaces the pre-filter that comes with Austin Air standard-size air purifiers. This pre-filter traps large particles over 10 microns during the first stage of Austin Air's multi-stage filtration process, helping to prolong the life of the inner HEPA and other filters. Lasts for years under normal operating conditions with regular care. Choose Black for Black, Silver, or Blue units and White for Sandstone or White units.

Features
Captures large particles over 10 microns — dust, hair, soot, pet dander
Protects and extends life of HEPA and inner filters
Lasts for years with proper care under normal conditions
Designed to be vacuumed from outside of unit
Fits all standard-size Austin Air purifiers: HM400, HM402, HM405, HM410, HM450

Specifications
Part Number: F400B
Color Options: White, Black
Compatible Models: HM400, HM402, HM405, HM410, HM450
Weight: 1 lb

Alternate Part Numbers
F400B | F400A | UPC: 769100040032 | GTIN: 00769100040032