LEVOIT LV-H128 Air Purifier Replacement, 3-in-1 Pre-Filter, Capture Dust Smoke Pollen, Activated Carbon, 3-Stage Filtration System, 2 Piece Set, LV-H128-RF, 1 Pack Filter 1 Pack home2022 fits a wide range of

fits a wide range of fastener sizes

Material: Square plate washers are made of 304 stainless steel

9 Alloy Steel material

Up to eight units can be linked together as needed

and can withstand harsh conditions

LEVOIT LV-H128 Air Purifier Replacement, 3-in-1 Pre-Filter, Capture Dust Smoke Pollen, Activated Carbon, 3-Stage Filtration System, 2 Piece Set, LV-H128-RF, 1 Pack Filter 1 Pack home2022 fits a wide range ofLEVOIT LV H128 Air Purifier Replacement, 3 in 1 Pre Filter, Capture Dust Smoke Pollen, Activated Carbon, 3 Stage Filtration System, 2 Piece Set, LV H128 RF, 1 Pack 3 STAGE DUAL FILTER DESIGN: Dirty air in, clean air out. the 3 stage filtration system with dual sided the filter of the 3 in 1 filter removes dust, pollen, and others airborne particles Product Features REFRESH YOUR AIR TODAY: Still struggling with allergy symptoms and unwanted odors.