Air Filters - Pleated

Purolator Key Pleat Pleated Filter, Heavy Duty, 18 Inch Length, 24 Inch Width, 4 Inch Thickness, 500 fpm, MERV: 8, 100% Synthetic Fiber Media

Purolator Key Pleat Pleated Filter, Heavy Duty, 20 Inch Length, 22 Inch Width, 2 Inch Thickness, 500 fpm, MERV: 8, 0.3 Inch WG, 100% Synthetic Fiber Media

Purolator Key Pleat Pleated Filter, Heavy Duty, 12 Inch Length, 14 Inch Width, 1 Inch Thickness, 300 fpm, MERV: 8, 0.27 Inch WG, 100% Synthetic Fiber Media