Fluval C4 Poly Foam Pads Yellow King Tiger which seamlessly follows the contour

which seamlessly follows the contour of the glass

high quality ceramic shaft and bearing to reduce wear and tear

They are completely safe with no sharp edges

Biologically balanced levels of foundation elements

Fluval C4 Poly Foam Pads Yellow King Tiger which seamlessly follows the contourDesigned for use with the Fluval C4 Power Filter, the C4 Poly Foam Pad effectively performs two stages of mechanical filtration. Compatibility C4 Power Filter Features Two stage mechanical filtration Porous side captures large particles (Stage 1), while dense polyester side traps finer debris (Stage 2) Helps create clean and healthy water conditions Convenient 3 pack format 3 x poly foam pads included