JBJ Replacement Filter Sponge for 28g, 20rl, 30rl and 45rl Models

This JBJ replacement sponge is filter media made for the 28g, 20rl, 30rl and 45rl models. Replace it when the original sponge is worn.

• Fits JBJ models 28g, 20rl, 30rl and 45rl
• Replacement filter sponge

Rinse the sponge in tank water before use and swap it out when it no longer holds its shape.