The Classic Performance Air Filter 4In Inlet ID Air Filter Element - Classic - Clamp-On - Conical - 6.75 in Base - 5.25 in Top Diameter - 6 in Tall - 4 in Flange - Cotton - Red - Universal - Each

The Classic Performance Air Filter 3In Inlet ID Air Filter Element - Classic - Clamp-On - Conical - 5.5 in Base - 4 in Top Diameter - 4.25 in Tall - 3 in Flange - Cotton - Universal - Each

THE CLASSIC Performance Air Filter 5in inlet ID Air Filter Element - Classic - Clamp-On - Conical - 6 in Base - 5 in Top Diameter - 4.375 in Tall - 5 in Flange - Cotton - Red - Universal - Each

The Classic Performance Air Filter 6In Inlet Id Air Filter Element - Classic - Clamp-On - Conical - 6.5 in Base - 5 in Top Diameter - 4.25 in Tall - 6 in Flange - Cotton - Red - Universal - Each

The Classic Performance Air Filter 3In Inlet ID Air Filter Element - Classic - Clamp-On - Conical - 6.75 in Base - 5.25 in Top Diameter - 6 in Tall - 3 in Flange - Cotton - Red - Universal - Each

THE CLASSIC Performance Air Filter 4.5in inlet Air Filter Element - Classic - Clamp-On - Conical - 5.25 in Base - 5 in Top Diameter - 5.75 in Tall - 4.5 in Flange - Cotton - Red - Universal - Each