Inquiry (采购产品): Filters We are looking for some filters to filter Hydrogen Sulfite gases(H2S)that are been drawn into are HVAC units and affecting are air quality inside are building. Please send any information you can provide.Thank you. **** Hidden Message ***** Rene Espinoza 79938 USA Company: El Paso Water Utilities E-mail: respinoz@epwu.org **** Hidden Message ***** respinoz@epwu.org
