Product Specifications
Height    5 in (127 mm)
Outside Diameter    3.5 in (89 mm)
Flange Inside Diameter    2.25 in (57 mm)
Flange Length    1 in (25 mm)
Flange Angle    5 degrees
Flanges    1
Package Quantity    1
Weight    0.7 lb (0.3 kg)

Product Box Height    7.25 in (184 mm)
Product Box Length    4.63 in (117 mm)
Product Box Width    4.63 in (117 mm

Also available:
K&N Pre Filter Foam Wrap, (25-1770) Fits RU-1070, RU-1780 Etc