Rental, Surplus & Rebuilt Water Treatment Equipment
M.W. Watermark™ equipment can be a huge asset to your company. We offer used and rebuilt filter presses and polymer blenders as well as new, custom-designed and stock filter presses and clarifiers. Much of our new equipment is kept in-stock and ready for a quick ship. Our experience within the field of solid-liquid separation is anchored in superior reliability, durability, and ease of use.
From metal finishing and mining to chemical processing, car washes, and various industries in between, our products are built to withstand daily use, while providing stellar, steady results. Need feed pumps, tanks or an electrical control cabinet? M.W. Watermark can supply everything you need for a complete wastewater treatment system.
Benefits of Rebuilt Equipment
Businesses today must operate at high efficiency while keeping costs low. Our rebuilt equipment will allow you to achieve dependable results while maintaining a reasonable budget. We handle all refurbishments in-house. Additionally, each piece of our re-manufactured equipment undergoes a comprehensive quality control check under the watchful eyes of M.W. Watermark’s skilled professionals. We perform the following work when rebuilding used filter presses:
- Complete any needed structural repairs
- Overhaul hydraulic and mechanical systems
- Power wash filter plates
- Replace all filter cloths and gaskets with new parts
- Sand-blast and repaint for a clean, professional appearance

Equipment Rentals
M.W. Watermark offers equipment rentals on select models of 250mm and 320mm small pilot filter presses, Slant Plate Clarifiers (SPC), Dissolved Air Flotation Clarifiers (DAF), and Oil Coalescing Separators (OCS). We also offer rentals on trailer-mounted mobile filter presses as well as rebuilt and new stock filter presses.
Ask About Our Mobile Filter Press Rental Program
Customer satisfaction is our top priority, and we guarantee to offer prompt service in every transaction. Start your experience with M.W. Watermark today by filling out our online contact form.
Rebuilt/Surplus Equipment List
![]() | FP01288 M.W. Watermark 470mm, 2 ft3 FILTER PRESS 470mm filter press, 2 ft3, gasketed filter plates and cloths, PVC manifold fully assembled for air blowdown / even fill, manual hydraulics. Model: FP470G32L-13-2MXX CONTACT US FOR MORE INFO |
![]() | FP00895 New M.W. Watermark 470mm Pilot FILTER PRESS 470mm pilot filter press with diaphragm squeeze plates. Various pre-squeeze cake thicknesses may be tested. Available for rental or purchase – CONTACT US FOR MORE INFO |
![]() | FP00893 Used M.W. Watermark 470mm Pilot FILTER PRESS 470mm pilot filter press with diaphragm squeeze plates. Various pre-squeeze cake thicknesses may be tested. Available for rental or purchase – CONTACT US FOR MORE INFO |
![]() | FP00454 – Used M.W. Watermark 470mm Membrane Squeeze Pilot FILTER PRESS 470mm membrane squeeze pilot filter press. Multiple chamber combinations. Model: FP470MXX-225-XM. Available for rental or purchase – CONTACT US FOR MORE INFO |
![]() | RE00250 – Used and Rebuilt Zimpro Passavant® 1000mm, 45 ft3 FILTER PRESS 1000mm Zimpro Passavant® filter press, 90 ft3, non-gasketed filter plates and cloths, semi-automatic plate shifter, air hydraulics. New cloths to be installed based on customer spec. Model: FP1000N45L-35-45ASX Available for rental or purchase – CONTACT US FOR MORE INFO |
![]() | RE00249 – Used and Rebuilt Siemens®/JWI® 800mm, 18 ft3 FILTER PRESS 800mm Siemens®/JWI® J-Press filter press, 18 ft3, gasketed filter plates and cloths, semi-automatic plate shifter, air hydraulics. New cloths to be installed based on customer spec. Model: 800G32-35-18SYLW Available for rental or purchase – CONTACT US FOR MORE INFO |
![]() | SPC00152 M.W. Watermark SPC-80 INCLINED PLATE CLARIFIER 80 GPM – rental or purchase. CONTACT US FOR MORE INFO |
![]() | SPC00146 M.W. Watermark SPC-5 INCLINED PLATE CLARIFIER 5 GPM – rental or purchase. Available for rental or purchase – CLICK FOR MORE PHOTOS |
![]() | PM00041 M.W. Watermark PolyMark™ PM600/2 POLYMER BLENDING SYSTEM PM600/2-PS5-SFC-CLX CONTACT US FOR MORE INFO |
![]() | FP01299 M.W. Watermark 800mm, 20 ft3 FILTER PRESS OUT ON RENTAL 800mm filter press, 20 ft3, gasketed filter plates and cloths, semi-automatic plate shifter, PVC manifold fully assembled for air blowdown / even fill, air hydraulics. Model: FP800G32L-38-20ASX CONTACT US FOR MORE INFO |
![]() | FP01296 M.W. Watermark 320mm Pilot, 0.3 ft3 FILTER PRESS OUT ON RENTAL 320mm filter press, 0.3 ft3, gasketed filter plates and cloths, PVC manifold fully assembled for air blowdown / even fill, manual hydraulics. Model: FP320G32L-6-0.3MXX CONTACT US FOR MORE INFO |
![]() | FP01251 M.W. Watermark 800mm, 20 ft3 FILTER PRESS OUT ON RENTAL 800mm filter press, 20 ft3, gasketed filter plates and cloths, semi-automatic plate shifter, stainless steel manifold fully assembled for air blowdown / even fill, air hydraulics. Model: FP800G32L-38-20ASX CONTACT US FOR MORE INFO |
![]() | FP01250 M.W. Watermark 800mm, 20 ft3 FILTER PRESS OUT ON RENTAL 800mm filter press, 20 ft3, gasketed filter plates and cloths, semi-automatic plate shifter, PVC manifold fully assembled for air blowdown / even fill, air hydraulics. Model: FP800G32L-38-20ASX CONTACT US FOR MORE INFO |
![]() | FP01242 M.W. Watermark 630mm, 5 exp. 10 ft3 FILTER PRESS OUT ON RENTAL 630mm filter press, 5 exp. 10 ft3, gasketed filter plates and cloths, stainless steel manifold fully assembled for air blowdown / even fill, air hydraulics. Model: FP630G32L-16/32-5/10AXX CONTACT US FOR MORE INFO |
![]() | FP01137 M.W. Watermark 470mm, 2 ft3 FILTER PRESS OUT ON RENTAL 470mm filter press, 2 ft3, gasketed filter plates and cloths, stainless steel manifold fully assembled for air blowdown / even fill, manual hydraulics. Model: FP470G32L-13-2MXX CONTACT US FOR MORE INFO |
![]() | FP01082 M.W. Watermark 1200mm, 75 ft3 FILTER PRESS OUT ON RENTAL 1200mm filter press, 75 ft3, non-gasketed filter plates and cloths, semi-automatic plate shifter, CPVC manifold fully assembled for air blowdown / even fill, air hydraulics. Model: FP1200N32L-64-75ASX CONTACT US FOR MORE INFO |
![]() | RE00228 – Used and Rebuilt JWI® 1200mm, 100 ft3 FILTER PRESS OUT ON RENTAL 1200mm JWI® filter press, 100 ft3, non-gasketed filter plates and cloths, semi-automatic plate shifter, air hydraulics. New PVC manifold: air blow-down, even-fill. New cloths to be installed based on customer spec. CLICK FOR MORE INFO |
![]() | TP01163 M.W. Watermark 1200mm, 100 ft3 TRAILER PRESS OUT ON RENTAL 1200mm filter press on trailer, 100 ft3, non-gasketed filter plates and cloths, semi-automatic plate shifter, stainless steel manifold fully assembled for air blowdown / even fill, electric hydraulics with automatic closure. Model: FP1200N32L-76-100ESE CLICK FOR MORE INFO |
![]() | TP01101 M.W. Watermark 1200mm, 100 ft3 TRAILER PRESS OUT ON RENTAL 1200mm filter press on trailer, 100 ft3, non-gasketed filter plates and cloths, semi-automatic plate shifter, stainless steel manifold fully assembled for air blowdown / even fill, electric hydraulics with automatic closure. Model: FP1200N32L-76-100ESE CONTACT US FOR MORE INFO |
![]() | TP01222 M.W. Watermark 1200mm, 100 ft3 TRAILER PRESS SOLD 1200mm filter press on trailer, 100 ft3, non-gasketed filter plates and cloths, semi-automatic plate shifter, stainless steel manifold fully assembled for air blowdown / even fill, electric hydraulics with automatic closure. Model: FP1200N32L-76-100ESE CONTACT US FOR MORE INFO |
![]() | RE00243 – Used and Rebuilt JWI® 1200mm, 90 ft3 FILTER PRESS SOLD 1200mm JWI® J-Press filter press, 90 ft3, non-gasketed filter plates and cloths, semi-automatic plate shifter, air hydraulics. New PVC manifold: air blow-down, even-fill. New cloths to be installed based on customer spec. CONTACT US FOR MORE INFO |
![]() | RE00245 – Used and Rebuilt M.W. Watermark 630mm, 5 exp. 8 ft3 FILTER PRESS SOLD 630mm M.W. Watermark® filter press, 5 exp. 8 ft3, gasketed filter plates and cloths, air hydraulics. New cloths to be installed based on customer spec. Model: FP630G32L-16/32-5/8AXX CLICK FOR MORE PHOTOS |
![]() | RE00246 – Used and Rebuilt M.W. Watermark 630mm, 5 exp. 10 ft3 FILTER PRESS SOLD 630mm M.W. Watermark® filter press, 5 exp. 10 ft3, gasketed filter plates and cloths, air hydraulics. New cloths to be installed based on customer spec. Model: FP630G32L-16/32-5/10AXX CLICK FOR MORE PHOTOS |
![]() | RE00247 – Used and Rebuilt M.W. Watermark 630mm, 5 exp. 10 ft3 FILTER PRESS SOLD 630mm M.W. Watermark® filter press, 5 exp. 10 ft3, gasketed filter plates and cloths, air hydraulics. New cloths to be installed based on customer spec. Model: FP630G32L-16/32-5/10AXX CLICK FOR MORE PHOTOS |
![]() | RE00248 – Used and Rebuilt Siemens®/JWI® 800mm, 18 ft3 FILTER PRESS SOLD 800mm Siemens®/JWI® J-Press filter press, 18 ft3, gasketed filter plates and cloths, semi-automatic plate shifter, air hydraulics. New cloths to be installed based on customer spec. Model: 800G32-35-18SYLW CONTACT US FOR MORE INFO |