说明

• Galvanized Steel Fresh Air Intake Inline Filter Box With Pre-filter, Activated Carbon and HEPA filter For HVAC System to Intake Fresh Air 1 field works with inline fans circulates fresh air and blocks dust and odors high-efficiency filter that traps particles like dust, dirt, lint, and scent 2 HVAC programs through preventing particles buildup, lowering put on and tear, and lengthening the lifespan of your equipment 3 clear out boxes function a galvanized metallic sheet casing sealed with clasps at the peak four for simple clear out element replacement, the duct filter field encompasses a dedicated design for user comfort 5* pre-filter, 1* Activated carbon silver ion filter out , 1* HEPA fikter, filters are also bought separately

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