This Poly-Flo Washable 12x20x1 durable, long-life filter is made of 100% polypropelene washable media that does not support microbial growth.
It has a low pressure-drop providing optimum air flow. The frame is made from sturdy, rust resistant aluminum channel.
Great for use in boats. Ideal for places with limited storage space. A perfect filter for swamp coolers.
Actual Dimensions: Approximately 11-3/4" x 19-3/4" x 7/8"
Nominal Dimensions: 12x20x1
All systems that use size 12x20x1
Efficiency Rating: MERV 5 estimated
Other Stock Numbers: GS12X20X1