6-Pack Replacement Filter Sponge Pads, Aquarium Foam Insert Compatible with 30, Fish Tank Filter Media

Perfect Fit: Compatible with / 30 or 10 to 30 gallon power filters

• Keep the Tank Clean: Traps debris and waste particles from the water; provides growing space for beneficial microorganisms to maintain a healthy aquarium environment
• Quality Material: Withstands repeated rinsing and reuse; ensures stable water flow through its porous structure
• Maintenance Tips: Replace the sponge pad every 2 to 6 months, adjusting based on your tank's bio load; for optimal water quality, gently clean it in tank water instead of using tap water
• Includes: 6 pcs of foam filters ,dimension:3.74”x2.2”x1.57” (Note: These foam inserts are packaged flat in vacuum-sealed bags. Simply unpack, soak them in water for a while, and they will expand to their full shape and size.)