McMaster 9939K33 Copper Tubing with Coated Interior 3 8" OD, 0.032" Wall Thickness 3RMX4 ) 15 Degrees Box End ) 15 Degrees Box End Type 12 Point Box End Head Type Offset Handle Type One Piece Measurement Type SAE Air Filter Design Radial Element Only Automotive Filters No Item Automotive Air Filter Includes 8 1 32 in Gasket Description Special Features Radial Seal Outer Air Element Filter Design Radial Seal Type Element Radial Seal Outer Features Engine Air Intake Filter Elements Protect Heavy Duty Equipment by Preventing Airborne Dirt and other Contaminants from Entering the Combustion Chamber Shape Round Compatible with Manufacturer Model Number RS3999 Use Location Engine Product Type Engine Air Filter Media Material Cellulose For Use With Interior Finish