16x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 15.75 x 17.75) - 3 Pack 5" Round Duct Pipe Zip it on or off

Zip it on or off effortlessly to shield your tools from unexpected weather changes

Measuring 8" in diameter for the duct opening

then you'll need a 14-inch round vent

actual front end outer dimensions are approximately 18 5/8" width X 28 5/8" height

16x18x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 15.75 x 17.75) - 3 Pack 5" Round Duct Pipe Zip it on or off+ Product Details 16" x 18" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 15. 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