Feature(may vary by option.)

●Performs mechanical filtration by trapping particles and debris as they pass through the insert
●Custom fit to prevent bypass
●Enhances biological filtration
●Good for freshwater & saltwater environments
●Provides efficient water flow with less clogging for long lasting filtration

[10 Filters]

[1 Filter]

[4 Filters]

[3 Filters]

Description

Premium quality replacement foam filter blocks made for the AquaClear 110 / 500 Filtration Systems; also known as part number A-623.