4x12 Inch Air Vent Filters Thickened 48-Pack Activated Charcoal, Carbon Filter Premium Floor Pre-Filter Work in Indoor Home Purifier, Air Conditioner 4" x 12" (Black) ULTRA GREEN
πππππππ ππππππππ: 48 Pcs of 4"x12" Activated Carbon Air Vent Filters (black)
πππ ππππ π ππππππ π ππ ππ πππππ πππ πππππππ: 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.
πππππππππ & πππππππππ ππππππ: 4x12 Inch, Easily trimmed with scissors to the size you need. Our newest register filter has been thickened and its density has been increased by approximately two times
ππππππππ πππππππππππ: 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.
*ππππ ππππ: Do not use filter in every register in home. This might cause restrictionin your airflow and damage your AC/Furnace unit.
