AAF FS1175023501 Air Filter, 23-1/2 in L, 17-1/2 in W, Pack of 12 MIDGET LOUVERS weather and mildew-resistant finish is

weather and mildew-resistant finish is easy to maintain

Uniform heat recovery system maintains ultra-high heat levels

4000K and 5000K

stainless steel blades stay sharp through heavy use

AAF FS1175023501 Air Filter, 23-1/2 in L, 17-1/2 in W, Pack of 12 MIDGET LOUVERS weather and mildew-resistant finish isPanel filter utilizing the Purolator monobond concept of a one piece frame sealed to the media using heat and pressure. Fiberglass media is evenly coated with a gel adhesive to prevent finer particle migration. Full depth loading and high dust holding capacity. Filter media has a skin backing and is evenly coated with a jelled adhesive. UL Class 2. Unit: EA UPC: 031949152697 Model Number: FS1175023501