Products 1-3 of 3
Show
Custom  6 X 18 X 1/2 nominal (5-1/2 x 17-1/2 x 3/8 exact) Smith Lifetime HD Filter
Availability: Custom Order 3wk
Item #: SF-LT6x18x1/2N -

Custom 18 X 18 X 1 nominal (17-1/2 x 17-1/2 x 7/8 exact) Smith Lifetime HD Filter
Availability: Custom Order 3wk
Item #: SF-LT18x18x1N -

Smith Electrostatic Filter 20x20x1
Availability: Special Order 7-10
Item #: SF-EL20201N -

The Electrostatic Air Filter is a low resistance permanent filter. The pad is made from expanded aluminum and electrostatic media. This pad is enclosed in a heavy aluminum frame, securely riveted at one corner. By the use of air flow and static electricity, this filter picks up fine particles of dust and dirt. Designed to be used in home and office furnaces. It’s recommended to keep the fan circulating in the furnace to make your Electrostatic Air Filter most effective. Available in both stock...