The Sizes For Husqvarna Chainsaw 435e Air Filter: Length: 2" Width: 3" Height: 2" ( Air Filter Felt Replaces Part Number for 599729402 525318901 599729401). Replace Part Number: 599333401 For Husqvarna 435 Maintenance Kit, 544805403, 544 80 54-03 For Husqvarna 435 Chainsaw Air Filter, 544805402 For Husqvarna 440 Air Filter.
eBay