UNSPSC 40161803: Filter papers

UNSPSC 40161803 Filter papers (Commodity) encompasses membrane filtration components and related filter media that state and local water and wastewater utilities procure for treatment system installation, replacement, and rehabilitation. Recent solicitations show state and local buyers purchasing microfiltration membranes, reverse osmosis membrane elements, and associated filter assemblies—often as direct replacements for aging systems or as components within larger treatment plant rehabilitation projects. Issuing bodies include municipal water districts, county water treatment authorities, county governments, and school districts. West Basin Municipal Water District in California has posted multiple recent opportunities under or closely aligned with this code, indicating repeat procurement activity for membrane replacement and pre-qualification of qualified suppliers.

Activity concentrates in California and Florida. West Basin Municipal Water District has solicited submerged microfiltration membranes for the Edward C. Little Water Recycling Facility (RFQ RFQTH0131, due May 26, 2026) and reverse osmosis membranes for the Juanita Millender-McDonald Carson Regional Water Recycling Plant (IFQ IFQTH0119, due February 26, 2026); both required NSF certifications, three years of municipal experience, and two U.S. treatment facility references. Collier County, Florida issued Bid No. 26-8646 for comprehensive rehabilitation of reverse osmosis treatment trains at the North County Regional Water Treatment Plant (due April 24, 2026), with an anticipated project budget of $4,000,000.00 and requirements for OEM status, three prior municipal projects, and substantial completion within 540 calendar days. Forsyth County Schools posted IFB P26-09 for ERU filters (due July 7, 2026) with minimal scope detail available. The City of Palm Bay, Florida's laboratory testing services bid (19ITB-26) included analytical testing across water and wastewater programs but does not represent direct filter procurement under this code.