<?xml version='1.0' encoding='UTF-8'?><device xmlns='http://www.fda.gov/cdrh/gudid' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'><publicDeviceRecordKey>9c886cbe-ec2e-4eb2-b1f3-169222954fcc</publicDeviceRecordKey><publicVersionStatus>Update</publicVersionStatus><deviceRecordStatus>Published</deviceRecordStatus><publicVersionNumber>3</publicVersionNumber><publicVersionDate>2018-07-06</publicVersionDate><devicePublishDate>2016-12-01</devicePublishDate><deviceCommDistributionEndDate xsi:nil="true"/><deviceCommDistributionStatus>In Commercial Distribution</deviceCommDistributionStatus><identifiers><identifier><deviceId>B446758WM1</deviceId><deviceIdType>Primary</deviceIdType><deviceIdIssuingAgency>HIBCC</deviceIdIssuingAgency><containsDINumber xsi:nil="true"/><pkgQuantity xsi:nil="true"/><pkgDiscontinueDate xsi:nil="true"/><pkgStatus xsi:nil="true"/><pkgType xsi:nil="true"/></identifier><identifier><deviceId>B446758WM0</deviceId><deviceIdType>Unit of Use</deviceIdType><deviceIdIssuingAgency>HIBCC</deviceIdIssuingAgency><containsDINumber xsi:nil="true"/><pkgQuantity xsi:nil="true"/><pkgDiscontinueDate xsi:nil="true"/><pkgStatus xsi:nil="true"/><pkgType xsi:nil="true"/></identifier></identifiers><brandName>Polytech Filter</brandName><versionModelNumber>758WM</versionModelNumber><catalogNumber xsi:nil="true"/><dunsNumber>825021079</dunsNumber><companyName>POLYTECHNIC RESOURCES INC</companyName><deviceCount>100</deviceCount><deviceDescription>Disposable bacterial/virus filter for pulmonary function testing. This filter is intended for single patient use only.</deviceDescription><DMExempt>false</DMExempt><premarketExempt>false</premarketExempt><deviceHCTP>false</deviceHCTP><deviceKit>false</deviceKit><deviceCombinationProduct>false</deviceCombinationProduct><singleUse>true</singleUse><lotBatch>false</lotBatch><serialNumber>true</serialNumber><manufacturingDate>false</manufacturingDate><expirationDate>false</expirationDate><donationIdNumber>false</donationIdNumber><labeledContainsNRL>true</labeledContainsNRL><labeledNoNRL>false</labeledNoNRL><MRISafetyStatus>Labeling does not contain MRI Safety Information</MRISafetyStatus><rx>true</rx><otc>false</otc><contacts/><premarketSubmissions><premarketSubmission><submissionNumber>K042758</submissionNumber><supplementNumber>000</supplementNumber></premarketSubmission></premarketSubmissions><gmdnTerms><gmdn><gmdnCode>61097</gmdnCode><gmdnPTName>Pulmonary function testing filter/mouthpiece</gmdnPTName><gmdnPTDefinition>A non-sterile, portable, screening device intended to be used during pulmonary function testing to remove and retain microdroplets from patient breath to reduce contamination of the parent device; it is also intended to function as a mouthpiece to facilitate access to the patient’s respiratory tract. It is a bidirectional filter, typically in a plastic housing, with a proximal port/mouthpiece; it may have a basic mouthpiece portion capable of being attached to a separate dedicated mouthpiece. This is a single-use device.</gmdnPTDefinition><implantable>false</implantable><gmdnCodeStatus>Active</gmdnCodeStatus></gmdn></gmdnTerms><productCodes><fdaProductCode><productCode>BZG</productCode><productCodeName>Spirometer, Diagnostic</productCodeName></fdaProductCode></productCodes><deviceSizes><deviceSize><sizeType>Outer Diameter</sizeType><size unit="Millimeter" value="28.4"/><sizeText xsi:nil="true"/></deviceSize></deviceSizes><environmentalConditions/><sterilization><deviceSterile>false</deviceSterile><sterilizationPriorToUse>false</sterilizationPriorToUse><methodTypes/></sterilization></device>