About This

• 【Perfect Compatibility】Designed specifically for Sunsun canister filter models HW-304B, HW-404B, HW-704B, HW-3000, and CF500, these replacement pads are a seamless and hassle-free upgrade.
• 【Complete 3-Stage Filtration】The set includes coarse, fine, and bio-foam pads, working together to form a complete filtration system that effectively removes debris and nurtures beneficial bacteria.
• 【Safe and Durable】Crafted from high-quality, non-toxic sponge material, these pads are safe for all aquatic life, durable for long-term use, and highly effective at cultivating nitrifying bacteria.
• 【Easy to Install】No complicated tools required, just place the Aquarium Canister Filter pad into the cartridge filter, saving time and improving efficiency.
• 【NOTE】The filter pads come vacuum-sealed, unpack and soak it in water, the sponge pad will expand to normal size.