Easy To Trim With Household Scissors; Fits 4" X 12" Vents And Smaller.
Easy To Install! Provides 90 Days Of Filtration.
Prevents Dirt And Objects From Falling Into Ducts.
Made Of A Self-Charging Electrostatic Material That Acts As A Dust Magnet For Vent Register Systems.
The True Blue 12 in. x 4 in. Electrostatic FPR 2 Vent Filter acts as the final filter before air enters your home. This polyester filter helps prevent airborne allergens like dust, pet dander, dirt and pollen.