Washing Machine InLine Filter Replacement Replacement cartridge for InLine Washing Machine Filter model 85470. Allows water to flow freely. Traps sediment before it reaches the washing machine's inlet value screen. Made in the USA. AirFilters.com This Washing Machine InLine Filter is the replacement cartridge for the Washing Machine Filter model 85470. It traps sediment before it reaches the washing machine's inlet value screen allowing water to flow freely. Made in the U.S.A. Purchase one for your washing machine today!