Manufacturer: No Toil MPN: 3417 Title: Fast3 Filter Size: Option: Color: The dual stage, flame laminated foam offers two different pore sizes to create more trapping area for even the smallest dust particles and both “stages” are not glued, but heat sealed, to provide maximum air flow. It is reticulated to increase dirt-stopping surface area and foam strength. The glue seams will withstand harsh solvents and gas; pull as hard as you can, foam will rip before the glued seam. Light color foam easier to spot where the filter oil has covered and where it has not. Pre-oiled Easy to clean O.E.M.-size for more dirt stopping capability Handmade Every square inch of each filter is inspected for quality One-year manufacturer's warranty Made in USA