Biofilter that can be back-flushed without turning off the pump. 

An innovative rotating cartridge with integral sweeping brush action aids in the back flushing of organic material. 

Sturdy polypropylene/glass matrix tank and stainless steel clamp are durable and corrosion-resistant. 

1-1/2” MNPT on intake and discharge ports with 1” adapter included.

Backflush port is 1” MNPT – includes garden hose adapter. 

Bioballs filtration media included.

XCal118 – 2000+ model – 

approximate flow rate of 1000gph for ponds up to 2000 gal.