Sometimes the best way to move forward is by sticking to tradition. The ESHOPPS WD 4th G. sumps did just that. Redesigned to make it even more perfect for your freshwater aquariums with huge bio load such as cichlids or large fish and works great for your saltwater setup. It uses the proven traditional method of wet and dry biological filtration via Bio Balls.The 4th G.’s new design promises you ease of use and effortless maintenance. The WD 4th G. sump comes with high flow spill over method, slide out drawer style drip tray, and easy access to changing of filter pads. Tradition meets innovation.

36x16x16″ (914x406x406 mm)
Return Compartment
16.5×15.5″ (419×394 mm)
Total Water Volume
40 gal (151 L)
Max Operating Volume
20 gal (76 L)
Max Drain Down Volume
20 gal (76 L)
Max Flow Rate
1,075 GPH (4,069 LPH)
Bio-balls Pcs.
700 Bio-balls
3 x 1″ (25 mm)