Water-change tools · intake-sponge

Aquarium Co-Op Pre-Filter Sponge, Medium

Published fit chart covers multiple common HOB filters; measure the actual intake before selection.

Coarse intake sponge sized around a 0.5-in intake hole with stretch.

Specifications checked with the manufacturer on 2026-09-07.

Consider: Intake fit is model-specific. Use the published compatibility chart and measure the intake; inspect foam condition instead of treating it as a guaranteed barrier for tiny animals.

US product record. Confirm the model and package contents before purchase.

Specifications that affect fit

Dimensions
3 × 2.5 × 2.5 in (L × W × H)

Before choosing this model

  • Measure intake diameter.
  • Check the exact fit chart rather than choosing by tank size.

Read the equipment selection guide alongside these model details. A rated capacity does not settle livestock needs, room conditions or physical clearance.

Build the complete pump, airline and sponge-filter system, including depth, outlet and valve checks.

Included items & upkeep

  • pre-filter sponge

Plan for the routine work

  • Remove inside a bag or pitcher to contain debris.
  • Squeeze in removed aquarium water when used for biological filtration.

Enter your own supply prices and replacement schedule in the first-year cost planner. Use the exact manual for maintenance intervals and service steps.

Sources & manuals