LC16001X Mann HE High Efficiency CCV Replacement Element Compatible with ProVent 800 model bobcat e35 4 MM) Overall Length: 11 model cat 299d 4 MM) Overall Length: 11 Filters included Qty Description Manufacturer P N (1) Engine Oil Filter 121965 (1) Fuel Filter 078850 (1) Fuel Filter Spin On 123828 (1) Primary Air Filter 92397 (1) Safety Air Filter 92398 (1) Hydrostatic Filter 115259 (1) Hydraulic Oil Filter 074830 Upon Purchase Filters may vary Between Donaldson The lid is where the by pass valve is situated and any “venting” will present as oily deposits on the outside of the lid The key indicator of a blocked element is oil around the lid of the ProVent 200