6.3792.0 Oil Separation Filter Compatibility and Applicable Air Compressor Replacement Oil Separation Filter Replacement Spare Parts Product model: 6.3792.0; Product specifications: Height: 6.69 inches; Outer diameter: 3.98 inches; Inner diameter: 1.65 inches; Flange: Measurements over 12.9 inches may not be 100% accurate and may have some errors, which do not affect installation and use. Depending on the working conditions of the machine, it is recommended to use a filter for 2500-3000 hours. This is a replacement part manufactured by SOIEMALV. made in China