Fluval AC 20 Bio-Foam Insert

Fluval AquaClear AC 20 Bio-Foam Insert removes particles and debris from aquarium water for effective mechanical filtration. It also serves double duty as a powerful biological media thanks to its ultra-dense 30 PPI construction.

Features:

• Premium biological and mechanical filter media
• Effectively traps waste and debris - Ultra dense 30PPI (Pores Per Inch) foam construction helps maintain even and consistent water flow
• Ideal surface to promote beneficial bacteria growth
• Custom fit with no gaps to maximize filtration efficiency
• For best results, replace every 2 months - For use in freshwater and saltwater aquariums
• Dimensions: 8.38cm L x 7.62cm W x 9.91cm H (3.3" L x 3" W x 3.9" H)