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.
Stock No.:
54234009Eaton F3AVFB01033 Single Bag Filter Housing – 3" Ports, 150 PSI
Used Eaton FLOWLINE Single Bag Stainless Steel Filter Housing. Part# F3AVF001133-V-M6. (1) Filter bag. Filter bag size #2 - 7" diameter x 32" long. 3" Inlet / outlets, 3/4" center bottom outlet with valve. Rated 150psi at 250 degrees F. Serial# F-46561. Mounted on Carbon Steel legs.
MFR: Eaton Dynamics
Stock No.:
54234011Industrial Stainless Bag Filter Housing – Eaton FLOWLINE, Size 2
Used Eaton FLOWLINE Single Bag Stainless Steel Filter Housing. Part# F3AVFB01033. (1) Filter bag. Filter bag size #2 - 7" diameter x 32" long. 3" Inlet / outlets, 3/4" center bottom outlet with valve. Rated 150psi at 250 degrees F. Serial# F-12278. Mounted on Carbon Steel legs.
MFR: Eaton Dynamics
Stock No.:
54234012Used Stainless Steel Bag Filter – 7"x32", 3" Inlet/Outlet, Eaton
Used Eaton FLOWLINE Single Bag Stainless Steel Filter Housing. Part# F3AVFB01133-V-M6. (1) Filter bag. Filter bag size #2 - 7" diameter x 32" long. 3" Inlet / outlets, 3/4" center bottom outlet with valve. Rated 150psi at 250 degrees F. Serial# F-46579. Mounted on Carbon Steel legs.
MFR: Eaton Dynamics
Stock No.:
10128083Used Alar Auto-Vac Model 660 Rotary Vacuum Drum Filter – Stainless, Self-Cleaning, 113 Sq. Ft. Used Alar Auto-Vac Model 660 Rotary Vacuum Drum Filter – Stainless, Self-Cleaning, 113 Sq. Ft.
Used- Alar Engineering Corporation Auto-Vac, Rotary Vacuum Drum Filter System, Model 660 . 6' x 6' stainless steel drum with approximately 113 sq.ft. of filter area. Equipped with auto advancing knife discharge, receiver and pre-mix tanks, 40 hp vacuum pump and control pannel. 460 vac 3 ph and 120 vac 1 ph power required. Automatic, self-cleaning wastewater treatment system for a variety of water-based effluents. Filter drum skid 118" wide x 152" long x 94" tall. Drum is 72" OD x 75" long. Tank skid is 93" wide x 186" long x 112" tall.
MFR: Alar Engineering
Stock No.:
13880001Used Alar Auto-Vac 6120 Rotary Vacuum Drum Filter | 6' x 12' | Trailer-Mounted Mobile Dewatering System
Used- Mobile Alar Auto-Vac Model 6120 Rotary Vacuum Drum Filter System, Trailer Mounted Mobile. 6' diameter by 12' long drum, providing approximately 226 sqft. of effective filter surface area. Designed for high-capacity solid-liquid separation, the unit operates continuously under vacuum pressure to efficiently remove suspended solids. The system is mounted on a skid trailer mounted, with a footprint of roughly 10' x 17' and includes an auxiliary skid measuring approximately 8'4" x 18'9". With a total connected horsepower of about 99 HP and a shipping weight near 18,000 lbs, the 6120 is built for demanding applications in wastewater treatment, chemical processing, and other industrial operations requiring reliable dewatering performance. More information about this trailer mounted system upon request. 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: Alar Engineering
Stock No.:
10151512Used Rosenmund 8 Square Meter Nutsche Filter – 304 Stainless Steel, Liquid Discharge
Used- Rosenmund 8 Square Meter Nutsche Filter, 304 Stainless Steel. Liquid discharge. 304 stainless steel shell, jacket, and internal. Shell rated 50 psi/FV at 370 degrees F. Half pipe and bottom plate jacket rated 150 psi/FV at 370 degrees F. Base rated 150 psi/FV at 370 degrees F. 20 hp main drive; hydraulic pack. Built 1991.
MFR: Rosenmund
Stock No.:
10151585Used US Filter J-Press 800G32-20-10DYLW Filter Press – 135 Sq. Ft., 31" Plates, 3,700 PSI Clamp (2003)
Used- US Filter J-Press Filter Press Model 800G32-20-10DYLW. Approximately 135 square feet total filtration area. (21) 31'' x 31'' plates. 100 psi maximum feed pressure. 100 psi air supply pressure. 3700 psi hydraulic clamping pressure. 4100 psi relief pressure. Serial # F07571. Built 2003.
MFR: US Filter
Stock No.:
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
Stock No.:
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
Stock No.:
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
Stock No.:
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
Stock No.:
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.
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.