8G2300 FILTER.  Nuffield Oil Filter.  Short, 4¹/4″ inch Purolator type filter.

Short engine oil filter with large hole at both ends.

To fit 27H6741 Purolator Engine Oil Filter Head.

Dimensions.
Filter length: 4¹/₄” inch (107.95 mm)
Filter outer diameter: 2³/₄” inch (69.85 mm)
Large hole diameter (both ends): 1¹/₄” inch (31.75 mm)

View here important information about filters and canisters in this
Guide to BMC engine oil filters

Note: For the long filter ask for part number 8G2000 FILTER. 
For the alternative Vokes filter ask for part number 17H1784 FILTER.

Fitted to tractors:

• Nuffield Universal Three (3DL), Nuffield Universal Four (4DM)
• Nuffield 342, 460, 10/42, 10/60