4x12 Inch Air Filter for Home Ceiling, ULTRA GREEN Thickened Floor Vent Filters Replacement for Register Work in Indoor Home Air Purifier, Air Conditioner 4" x 12" 12-Pack (White)
PACKAGE CONTENTS: 12 Pcs of 4"x12" Air Vent Filters, total 12 Pack (White)
DIMENSION & THICKENDED DESIGH: 4x12 Inch, Easily trimmed with scissors to the size you need. Our newest carbon register filter has been thickened and its density has been increased by approximately two times
AIR VENT FILTERS FOR AC UNITS AND HEATERS: Insert these air vent filters into the floor air vent registers to purify the air coming from your AC units and heaters. Designed to filter the air you breathe; these air vent filters also prevent dirt and other objects from falling into the air vents
COMPLETE REPLACEMENT: Our pre-filters greatly reduce the amount of dust & particles getting into your main HEPA filter. This saves you time cleaning and vacuuming the main filter. It is suggested to replace every 90 days
WARM TIPS: Do not use filter in every register in home. This might cause restrictionin your airflow and damage your AC/Furnace unit
