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.:
10128057Used U.S. Filter Auto Jet Self-Cleaning Pressure Leaf Filter – 200 Sq Ft
Used- U.S. Filter Company Auto Jet Self Cleaning (Rotating Leaves) Vertical , Stainless Steel. 200 square foot. Pressure Leaf Filter. Seems to have 100-120 mesh screens. This unit is insulated for chill filtering. It has 16 each 34" rotating leaves vertical mounted filtration screens on a horizontal rotating shaft. Quick opening head. 2.5" and 3.5" Inlet and 6'' diameter discharge. Driven by 1/2 hp a Duty Master Motor 1725 rpm. Requires 230/460 vac 3 ph. The Unit has 68" x 84" overall width and length and 87" overall height.
MFR: US Filter
Stock No.:
13527030Used Alar Auto-Vac Rotary Vacuum Drum Filter System – 2' x 2', Model 220
Used- 2' x 2' Alar "Auto-Vac" Rotary Vacuum Drum Filter System. Drum measures 2' diameter x 2' long. Model Auto-Vac 220. Carbon steel drum. With motorized advancing knife discharge. On base with poly tank and .3 HP Lightnin Agitator drive, shaft and prop, 5 HP Atlantic Fluidics Vacuum Pump and receiver pump. Filter agitator with .3 HP drive. .5 HP drum drive gear reduced, chain driven with guard. Unit looks to be in good condition.
MFR: Alar Engineering
Stock No.:
53696001Industrial Rotary Fan Press – 24" Model RFP24S, Epoxy Coated, Pneumatic & Polymer System
Unused- Prime Solution 24" Rotary Fan Press, Model RFP24S. 304 stainless steel filter plates and support rotor; Epoxy coated carbon steel housings, base, and moveable dewatering platform (on adjustable V-track casters); In-line full port pneumatic mixer w/ 4-port injection ring; PVC sludge retention manifold with clear site tube cleanout; pneumatic sludge by-pass control valve; sludge feed magnetic flow meter; Rotary lobe sludge pump; Air compressor with receiver; Emulsion polymer feed/blend system with integrated controls; 1.5 HP direct gear drive system. Includes touch screen control panel, 3/60/575V. 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: Prime
Stock No.:
54050001Used JWI 800N32-49-25SYLS Filter Press – 49 Chamber, 528 Sq. Ft., 800mm Plates (
Used- JWI Filter Press, Model 800N32-49-25SYLS. Total chamber volume of 25 ft (0.707 m) across 49 chambers. It features a chamber volume of 0.5 ft (0.01 m) and a total filter area of 528 ft (49 m), using 800 mm square plates with Goretex filter cloth. Approximately (49) polypropylene Plates. The overall length and width of the press are 218.63 inches (5553 mm) and 53.29 inches (1354 mm), respectively. The press uses an air-powered hydraulic pump and requires a maximum air supply of 80 scfm at 100 psi. It is equipped with a 6" bore x 24" stroke (152 mm x 610 mm) hydraulic cylinder, with a maximum hydraulic closing pressure of 4100 psi (283 bar). The system includes a 4.5-gallon (17.0 L) reservoir and uses Rykon All Weather Type-46 hydraulic oil. The feed pump pressure is rated at 100 psi, and the manifold style is air blow with precoating capability. Optional features include an auto pump control system, semi-auto shifter, drum disposal system, and Bombay doors. Serial# F05045. This unit was new in 2017. ** PLATES ARE STORED INSIDE**
MFR: JWI
Stock No.:
73461Used U.S. Filter Auto-Jet Pressure Leaf Filter, 54” x 60” Horizontal Shell
Used- United States Filter Auto-Jet Self-Cleaning Pressure Leaf Filter, 300 Square Feet Filter Area, Model 300/200. 316 Stainless Steel. Approximate 25 cubic feet sludge capacity, volume 700 gallons. 54" Diameter x 60" long horizontal shell. Internal rated 150 psi at 200 degrees F. 10" Discharge, internal spray nozzles and sluice header. 3/4hp Chain driven rotating shaft, vertical leaf. Bolted head and flanged. National Board#1226, Serial# 11-1668.
MFR: US Filter
Stock No.:
54550001Used ALAR AV360 Industrial Wastewater Filter System
Used Alar Engineering Corporation Auto-Vac, Model 360. Mid-sized, skid-mounted rotary vacuum drum precoat filter designed for industrial wastewater treatment and sludge dewatering applications. The system operates by drawing liquid through a filter aid media using a non-segmented drum design, enabling high-efficiency solids separation and capturing particles down to approximately 0.5 to 1 micron. The unit features a 3' diameter by 6' long stainless steel drum with a nominal filtering area of 56.5 sq. ft. and is engineered for durable, corrosion-resistant performance in demanding process environments. Total connected power is 20 HP. The system is additionally equipped with (2) 3,000-gallon holding tanks, a 2-stage pump, and a spare pump, providing operational redundancy and continuous processing capability. Approximate shipping weight is 6,200#, with a maximum system height of 8 6" and an overall skid footprint of 9'-0" wide by 16'-8" long. Well-suited for high-solids wastewater streams, the Auto-Vac is designed to deliver reliable automated filtration, sludge dewatering, and consistent effluent clarification while reducing disposal costs and labor requirements in industrial processing environments. Serial #12895. Last used to treat waste water for an automobile re-manufacturing facility.
MFR: Alar Engineering
Stock No.:
52464001Pre-Owned Alar Auto-Vac 340 – 37.7 Sq Ft Filtering Area, 304SS Drum
Used- Alar Auto-Vac Rotary Vacuum Filter System, Model 340. 36" Diameter x 48" face 304SS drum, approximately 37.7 square feet nominal filtering area. Drum driven by an approximate .4hp, 1750 rpm gear motor, 288 to 1 ratio. Dry solids discharge with adjustable knife. Bottom holding tank with rake agitator, driven by a .33hp, 3/60/208-230/460 volt, 1140rpm motor. Receiver tank with pump, pump driven by a 1-1/2hp, 3/60/208-230/460 volt, 3450rpm motor. Control panel with Allen Bradley SLC PLC. Total connected horsepower 13. All unitized on a common carbon steel frame. Serial# 13121.
MFR: Alar Engineering
Stock No.:
88940Industrial Vacuum Belt Filter - Pannevis RT, 316 SS & Polypropylene
Used- Pannevis Horizontal Vacuum Belt Filter, Type RT, 316 Stainless Steel/Polypropylene Construction. Approximate 5.3 square meter filtration area. Filter 960 x 5600mm. Vacuum tray. Driven by a .75 kw, 3/50/380 volt varispeed motor. Mounted on a carbon steel frame. 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: Pannevis
Stock No.:
10151515Rosenmund 4 Square Meter Nutsche Filter, Model RPD4-388-86
Used- Rosenmund 4 Square Meter Nutsche Filter, Model RPD4-388-86. Bottom discharge; 904L stainless steel shell, 316 stainless steel jacket; Shell rated 75 psi/FV at 397 degrees F; Half pipe jacket rated 100 psi/FV at 392 degrees F; Base rated 150 psi/FV at 370 degrees F; 10 hp main drive; hydraulic pack; Serial # F69653-1185-1; National Board # 17935; Built 1986 (Rebuilt since).
MFR: Rosenmund
Stock No.:
10128062Used Industrial Filter & Pump Vertical Leaf Filter – 500 Sq Ft, 304 Stainless Steel
Used- Industrial Filter & Pump Vertical Leaf Filter. Type 122.332, 304 Stainless Steel, Series 60-3.5-19. The filter has (19) 44" x 44" filter leaves with a total surface area of 500 square feet and has a maximum working pressure of 70 PSI at 180 Degrees F.
MFR: Industrial Filter
Stock No.:
54234008Used Eaton FLOWLINE Bag Filter Housing – Stainless Steel, #2 Size Bag
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-16560. Mounted on Carbon Steel legs.
MFR: Eaton Dynamics
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.