Features:

• DUAL STAGE FOAM: Two different pore sizes create more trapping area for even the smallest dust particles
• FLAME LAMINATED FOAM: Both *stages* are not glued, but heat sealed to provide maximum air flow
• RETICULATED FOAM: Increases dirt stopping surface area and increase foam strength
• Strongest glue seams will withstand harsh solvents and gas
• Light color foam easier to spot where the filter oil has covered and where it has not
• OEM size for more dirt stopping capability
• Handmade
• Every square inch of each filter is and inspected for quality
• One year warranty
• Made in the USA