A-20236409-AI Filter, Outer AirOne New Aftermarket Replacement Outer Air Filter for Valtra Tractors This aftermarket outer air filter fits a wide range of Valtra (Valmet) agricultural tractors. The outer air filter is the primary element in the two stage air cleaner assembly, protecting the engine from dust and debris in demanding field conditions. Compatible Models Valtra Tractors (Serial Number Restrictions Apply see below): 505, 605, 615, 615M, 655, 655T, 705, 715, 715M, 755,