Aerostar 18x20x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6-Pack (Actual Size: 17 3/4" x 19 3/4" x 3/4") FXOICMI and is rigorously tested for

and is rigorously tested for safety and durability to ensure long-lasting performance Maximize safety during use

Reinforced design ANSI level 8 protection from cuts and slashes---Reinforced with stainless steel thread and thicker anti cutting fiber

5-amp motor to produce 11

No roll down required helps tips stay clean even if hands are dirty

buy more sets to meet the length requirements in different scenarios

Aerostar 18x20x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6-Pack (Actual Size: 17 3/4" x 19 3/4" x 3/4") FXOICMI and is rigorously tested forBrand: Aerostar Color: MERV 13 Features: Nominal size: 18x20x1; Actual size 17 3 4"x 19 3 4" x 3 4"; This MERV 13 filter is comparable with MPR 1500 1900 & FPR 10. Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria Simple to install and a cost effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase