<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">dry filters</topic></authority><related type="broader"><topic>air filters</topic></related><variant type="other"><topic>dry filter</topic></variant><variant type="other"><topic>dry-air filters</topic></variant><variant type="other"><topic>dry-type filters</topic></variant><variant type="other"><topic>filters, dry</topic></variant><variant type="other"><topic>filters, dry-air</topic></variant><variant type="other"><topic>filters, dry-type</topic></variant> <note xml:lang="en"><![CDATA[ Devices for removing pollutants from the air in a system by passing it through various screens and dry porous materials. ]]></note></mads>