Safety Air Filter #K200380 features:• Continuous element media• Superior wet and dry strengthSpecifications:• Type: Safety• Style: Round• Media Type: Safety• Length: 245 mm, 9.6456402"• Inner Diameter: 48 mm, 1.88975808"• Outer Diameter: 75 mm, 2.952747"A safety filter provides additional protection while the primary filter is out of the housing during servicing. Your engine should never be run with only a safety filter in place!