Nispira 1044 3415AF5 5-Micron MERV 11 Outer Air Filter Replacement for WEN 1044 CFM 1270 Air Filtration Systems 11.5 x 23.6 Inches Item Package Quantity:4 this filter picks up 99%

this filter picks up 99% of material that is 1/2 micron or larger

Diameter is about 5

Suggest replacing the filter every 6 months to maximize the performance

user-friendly packaging

Nispira 1044 3415AF5 5-Micron MERV 11 Outer Air Filter Replacement for WEN 1044 CFM 1270 Air Filtration Systems 11.5 x 23.6 Inches Item Package Quantity:4 this filter picks up 99%Nispira outer air filter replacement compatible with WEN 3 Speed Industrial Strength Air Filtration System (models 34151 3415T, and 3417). It is also compatible with many major air filtration systems1044 CFM air filtration systems on the market. Compared to part 3415AF5, 5 Micron Outer Air Filter Remove air particles down to 5 microns in size from the air Easy to install. Dimension: 23. 5"L x 11. 6"W x 0. 9"Th. Suggest to replace regularly to maintain