Front pageSearch productsExtra optionsPre filter 20 micronHWS Spare part Harvia Water softener Pre-filter filter 20 micronsItem number HarviaHWS-F-20MElectrical number (STK)8266950Certificates IntroductionTechnical dataProduct familyTechnical dataFeaturesMeasurementsWeightsLogisticsPlease check the product manual for updated information before use.HWSAll items in product family