18x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 17.75) - 3 Pack Hi-Lo Oval Stack Head } @media screen and (max-width:

} @media screen and (max-width: 990px) {

leak-proof connection

How To Measure A Floor Register

and various other applications

Performance – High diffusion induction rates result in rapid temperature and velocity equalization of the mixed air mass well above the zone of occupancy

18x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 17.75) - 3 Pack Hi-Lo Oval Stack Head } @media screen and (max-width:+ Product Details 18" x 18" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 17. 75" x 17. 75") A unique combination of cotton & synthetic fibers gives you the most filtration and the least air resistance equals great air & easy airflow for your system. The non pleated design provides low airflow resistance while still effectively capturing dirt and particles such as standing dust, spray paint