Used Filters for Sale
Filters are industrial separation systems designed to remove solids from liquids or gases, improving product purity, process efficiency, and environmental compliance. Used across chemical processing, food and beverage production, pharmaceuticals, wastewater treatment, and other industrial operations, filters play a critical role in clarification, dewatering, and product recovery. Aaron Equipment offers used filters for sale in a range of configurations to support different filtration methods, capacities, and material requirements. Browse available inventory below or explore filter types to find equipment suited to your application.
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14210002Used Ashbrook-Simon-Hartley Aquabelt Gravity Belt Thickener Type AB Size 4 – Municipal & Industrial Sludge Thickening System
Used Ashbrook-Simon-Hartley Aquabelt Gravity Belt Thickener Type AB Size 4 Municipal & Industrial Sludge Thickening System. Designed for continuous gravity thickening of municipal and industrial wastewater sludges. Unit features an approximately 3.2 meter wide x 9.425 meter long drainage belt supported by a galvanized steel frame and includes a feed tank along with an FRP exhaust hood for odor and vapor containment. Previously installed in a municipal wastewater treatment facility and removed from service following a process change. Suitable for increasing sludge solids concentration ahead of belt filter presses, centrifuges, digesters, and other downstream sludge dewatering equipment.
MFR: Ashbrook
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14210003Used Ashbrook-Simon-Hartley Aquabelt Type AB Size 4 Gravity Belt Thickener for Municipal & Industrial Sludge
Used Ashbrook-Simon-Hartley Aquabelt Type AB Size 4 Gravity Belt Thickener for Municipal & Industrial Sludge. Designed for continuous gravity thickening of municipal and industrial wastewater sludges. Unit features an approximately 3.2 meter wide x 9.425 meter long drainage belt supported by a galvanized steel frame and includes a feed tank along with an FRP exhaust hood for odor and vapor containment. Previously installed in a municipal wastewater treatment facility and removed from service following a process change. Suitable for increasing sludge solids concentration ahead of belt filter presses, centrifuges, digesters, and other downstream sludge dewatering equipment.
MFR: Ashbrook
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14210004Used Aquabelt Type AB Size 4 Gravity Belt Thickener – Continuous Sludge Thickening System
Used Aquabelt Type AB Size 4 Gravity Belt Thickener Continuous Sludge Thickening System. Designed for continuous gravity thickening of municipal and industrial wastewater sludges. Unit features an approximately 3.2 meter wide x 9.425 meter long drainage belt supported by a galvanized steel frame and includes a feed tank along with an FRP exhaust hood for odor and vapor containment. Previously installed in a municipal wastewater treatment facility and removed from service following a process change. Suitable for increasing sludge solids concentration ahead of belt filter presses, centrifuges, digesters, and other downstream sludge dewatering equipment.
MFR: Ashbrook
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42765009Used – SEITZ ORION 100/200 Stainless Steel Filter Press – 48 m² Filtration Surface, Brewery Application
Used SEITZ ORION 100/200 Stainless Steel Filter Press 48 m Filtration Surface, Brewery Application. With a 150 hl/hour (3962.5 US gallon/hour). Currently fitted with 24 chambers & 2 end plates 1000 x 1000 mm (39" x 39"). Current filtration surface is 48 m2 (516.66 sq. ft.). Hydraulic operated. On 4 legs. Includes: (1) Kieselguhr preparation tank with agitator, (1) Dosing pump, (1) GEA beer pump, (1) Hopper with geared endless screw, Diaphragm pump for kieselguhr discharge and additional infrastructure. Previously used in a brewery application. Asking price includes proper marking, dismantling and loading to truck at location.
MFR: Seitz Orion
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50986002Unused Tequatic Plus F-150 Filter B-Series Skid – High Solids Filtration System
Unused- Tequatic Plus F-150 Filter, B-Series Skid. 80-240 GPM flow rate; 100 psi Maximum Inlet Pressure; 140 degrees F Maximum Temperature; 45 degrees F Minimum Temperature; pH 5-9 continuous; 1/16" Maximum Particle Size. Can handle high TSS from 10010,000 mg/L and greater, and filter down to 15 microns. 3/50-60/440V, 20 Amps. Approximately 2330 pounds dry, 3230 pounds wet.
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53125005Used Evoqua/Siemens 1500mm Filter Press – Heavy-Duty Industrial Filtration
Used- Evoqua/Siemens Model 1500N32-64/90-125/175SYLC Automatic Filter Press. Features (65) 1500 mm x 1500 mm (approximately 60" x 60") sidebar suspended filter plates with automatic plate mover/plate shifter for reduced manual handling. Equipped with Siemens PLC-based controls and CNC-style automation for automated cycle control. Heavy-duty construction with an approximate structural weight of 52,000 lbs. Manufactured in 2008. Suitable for municipal and industrial sludge dewatering, mining and mineral slurry dewatering, chemical and specialty chemical filtration, food and beverage process and by-product filtration, and pulp and paper slurry and wastewater treatment. Designed for high-capacity solid/liquid separation in demanding industrial applications.
MFR: Siemens Allis
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53126015Used Clearstream MMF-39-60-SS Indexing Media Filter – 100 USGPM, 304 Stainless Steel
Used- Clearstream MMF-39-60-SS Indexing Media Filter, 100 USGPM @ 5 Micron, 11ga, 304 SS construction, Aluminum seal wheels, SS drive shaft, UHMW sprockets float sensor and customized electronic control panel for auto media indexing,110v, 60hz, 1/2hp motor, 76" x 60" x 24" and Indexing Filter Tank 304 Stainless 48"x72"x24"
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53224001Unused Alfa Laval AS-H Belt Press G3 3-Belt for Sale
Used- Alfa Laval AS-H Belt Press G3 3Belt, 1.2 METER. Stainless steel. 8 Roller Design, 246" long, x 102" wide x 110" high. Our freight specialists can assist you with door to door transportation and all customs documents needed to make the process go as smoothly as possible.
MFR: Alfa Laval
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53240001Used Komline Sanderson Gravabelt Gravity Belt Thickener for Sale
Used- Komline Sanderson Gravabelt Gravity Belt Thickener, Model G25. Stainless steel construction. 36" W x 23'3" L belt size. 17-85 FPM. 16 GPM @ 85 PSI water requirements. 185 hours. Driven by a 1 HP, 1750 RPM, 3/60/230-460V motor. Previously used for wastewater treatment. OAD: 16'2 L x 5'6 W x 6' H.
MFR: Komline Sanderson
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53607014Used Capifiltro Olive Oil DE Filter – Model BM-633, Stainless Steel
Used- Capifiltro Olive Oil DE filter, Model BM-633. Stainless steel Filter housing 50" Straight side X 4' Dia, 3 1/2" Diameter Stainless steel piping, 14" Diameter. discharge. 200 PSI @ 4 bar. Steel frame. Approximate dimensions 147" H X 14'6" L X 92" W. Approx. 8000 lbs. Last filtered Olive Oil
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53607016Used Kieselguhr DE Filter – Model NF-10, 10 m² Horizontal Disc Beer Filter
Used- Kieselguhr DE Filter Model NF-10. Includes AISI 304 filter vessel, filter discs, piping with butterfly valves and centrifugal pump, Piston dosing pump, Filter pack turning device, Lighted sight glasses at product inlet and outlet, Pressure gauges, sample valves and flow meters, Final filtration disc for residual liquid, Wheel mounted AISI 304 cake collection tray with 10 inch diaphragm pump for discharge. SST horizontal disk beer filter with centrifugal discharge. 10 sq meter filter with a 630-liter capacity bell with 7 Bar rating, and 175 liter dosing tub. Wheel mounted AISI 304 Stainless steel frame. Flow rate per manufacturer is 3-5 bbl/hour/meter, so 30-50 bbl per hour (16.5gpm to 27.5gpm). Electrics are 480 V, 3 Ph, 60 Hz, 34 Amp. Filter bell holds 5 bbls. 7 feet 4 inches tall, 7 feet 10 inches wide, 4 feet 5 inches deep. 1,800 pounds. Year 2002. Last used to filter beer.
Types of Used Filters Available
Aaron Equipment offers a variety of used filters designed for different separation processes, throughput requirements, and material characteristics.
Filter Presses – Batch filtration systems that use pressure to separate solids from liquids, commonly used for sludge dewatering and high-solids applications.
Nutsche Filters – Enclosed filtration units ideal for solid-liquid separation, washing, and drying in pharmaceutical and chemical processing.
Rotary Vacuum Filters – Continuous filtration systems used for high-volume separation of slurries in chemical, mineral, and wastewater operations.
Pressure Leaf Filters – Vertical or horizontal vessels designed for high-efficiency filtration of liquids with low solids content.
Cartridge Filters – Compact filtration systems used for fine particle removal and polishing applications in food, beverage, and pharmaceutical processes.
Horizontal Belt Vacuum Filters – Continuous filtration systems designed for large-scale solid-liquid separation and cake washing applications.
Filter Applications & Industry Uses
Used filters are essential in processes requiring separation of solids from liquids or gases to improve product quality and process efficiency. Depending on the filter type, these systems support batch or continuous filtration, fine particle removal, and dewatering.
Common industries and applications include:
Chemical processing: Catalyst recovery, slurry separation, and product purification
Food and beverage: Clarification, polishing, and ingredient processing
Pharmaceutical and biotechnology: Sterile filtration and product recovery
Wastewater treatment: Sludge dewatering and solids removal
Mining and minerals: Tailings processing and slurry filtration
Used Filter Buying Considerations
When selecting a used filter, evaluate both process requirements and equipment condition:
Filtration Type and Process Design: Determine whether batch or continuous filtration is required
Throughput and Capacity: Match system size and filtration area to production needs
Material Compatibility: Ensure construction materials suit process fluids and operating conditions
Automation and Controls: Review control systems, discharge mechanisms, and integration requirements
Condition and Maintenance History: Inspect filter media systems, plates, seals, and structural components
Why Buy Used Filters
Buying used filters can significantly reduce capital costs while still delivering reliable separation performance. Many filtration systems are available for immediate shipment, helping facilities avoid long OEM lead times. Purchasing used equipment also provides access to proven filtration technologies already used in demanding industrial environments.
Sell Your Used Filters
Aaron Equipment purchases surplus and used filters across a wide range of manufacturers and configurations. If you are upgrading equipment, shutting down operations, or selling idle assets, our team can assist with direct purchases or consignment.
A filter is an industrial separation device used to remove solids from liquids or gases. Filters are commonly used in processes requiring clarification, purification, or dewatering across many industries.
Used filters include filter presses, nutsche filters, rotary vacuum filters, pressure leaf filters, cartridge filters, and horizontal belt vacuum filters. Each type is designed for specific filtration processes, material characteristics, and production requirements.
Choosing the right filter depends on the type of material being processed, solids concentration, required throughput, and whether batch or continuous operation is needed. Equipment design, filtration media, and construction materials should also align with process requirements.
The cost of a used filter varies based on type, size, manufacturer, capacity, and condition. Larger or specialized filtration systems typically command higher prices. Availability and application requirements will also influence pricing.
Yes. Aaron Equipment purchases surplus and used filters from a wide range of manufacturers and configurations. Submit your equipment details to request an evaluation for resale or consignment.