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K&N Dual Flange Oval Tapered Universal Air Filters
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Part
Flange Inside Dia. (F)
Flange Center to Center
Base Outside Dim. (MA)
Base Outside Dim. (SA)
Top Outside Dim. (MA)
Top Outside Dim. (SA)
Length (L)
Top Style
Flange Length (FL)
RU-2850
2.125 in (54 mm)
2.938 in (75 mm)
6 in (152 mm)
4 in (102 mm)
4.5 in (114 mm)
3.75 in (95 mm)
4 in (102 mm)
Rubber
0.625 in (16 mm)
RU-2852
2.125 in (54 mm)
2.938 in (75 mm)
6 in (152 mm)
4 in (102 mm)
4.5 in (114 mm)
3.75 in (95 mm)
4 in (102 mm)
Rubber
0.625 in (16 mm)
RU-4710
2.375 in (60 mm)
3 in (76 mm)
6.25 in (159 mm)
3.75 in (95 mm)
4.438 in (113 mm)
3.438 in (87 mm)
6.75 in (171 mm)
Rubber
0.375 in (10 mm)
RU-4720
2.375 in (60 mm)
3 in (76 mm)
6.25 in (159 mm)
3.75 in (95 mm)
3.438 in (87 mm)
4.438 in (113 mm)
5 in (127 mm)
Rubber
0.375 in (10 mm)
RF-1012
3.125 in (79 mm)
3.875 in (98 mm)
8.75 in (222 mm)
5 in (127 mm)
6.25 in (159 mm)
4 in (102 mm)
9 in (229 mm)
Metal
0.625 in (16 mm)
RC-5145
3.125 in (79 mm)
3.875 in (98 mm)
8.75 in (222 mm)
5 in (127 mm)
6.25 in (159 mm)
4 in (102 mm)
9 in (229 mm)
Stainless Steel
0.625 in (16 mm)