Kenworth and PeterBilt HVAC & Heater Boxes › Replacement Filters (601014) Image 1 of 2 Image 2 of 2 Replacement Filters (601014) CA$35.00 Replacement Filters for our Kenworth Fresh Air Filter Kits.Fits both Closed and Open Face Fresh air Filter Kits Quantity: Purchase Added! Replacement Filters for our Kenworth Fresh Air Filter Kits.Fits both Closed and Open Face Fresh air Filter Kits Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Kenworth Cab Fresh Air Filter System CA$180.00 Closed Face Kenworth Fresh Air Filter Kit CA$180.00