3410 outer air filter replacement compatible with wen 3410, powertec af4000, shop fox w1830, grizzly g0738 air filtration system part 90243-027-2, 5-micron outer air filter 4 packs - To add the following enhancements to your purchase, choose different seller. ${cardName} not available for the seller you chose ${cardName} unavailable for quantities greater than ${maxQuantity}... in the past