Specifications include, but are not limited to: AF-10002 Air Filter, 10" x 25" x 1", MX40-203 Spec Double, pleated, 30% efficiency, 11 pleats/foot Each AF-10000 Air Filter, 10 1/2" x 69 1/2" x 1", MX40 Spec Double, pleated, 30% efficiency, 11 pleats/foot Each AF-10003 Air Filter, 10" x 16" x 1", MX40 Spec Double, pleated, 30% efficiency, 11 pleats/foot Each AF-09095 Air Filter, 10" x 20" x 1", MX40 SP, spec double, pleated, 30% efficiency, 11 pleats/foot Each AF-10004 Air Filter, 10" x 28" x 1", MX40 SP, spec double, pleated, 30% efficiency, 11 pleats/foot Each AF-10015 Air Filter, 10" x 30" x 1", MX40 Spec Double, pleated, 30% efficiency, 11 pleats/foot Each AF-10005 Air Filter, 10" x 32 1/2" x 1", MX40 SP, pleated, 30% efficiency, 11 pleats/foot Each AF-10006 Air Filter, 10" x 33" x 1", MX40 SP, spec double, pleated, 30% efficiency, 11 pleats/foot Each