Check the listing for details. 2 Pcs Replacement Aquarium Bio Sponge Foam Filter Pads Suitable for FX4 FX5 FX6. Condition: New. Listed at 8.99 USD. Fits the FX4, FX5 and FX6 Canister FiltersGood for freshwater & marine environmentsFilter sponges needs to be replaced after 6-12 months due to micro holes of sponge will gradually clog by debris, That’s when the sponge filter starts to lose its efficiency, they need to be replaced. --------------------------------------------------------------------For eBay Managed Payment, we kindly request that you provide your correct eBay address as it's the only address we can ship to. It's crucial that your eBay address perfectly matches the shipping address you desire. If there's any discrepancy, please inform us before we dispatch the package. Otherwise, we cannot be held accountable for any potential losses. Your understanding is greatly appreciated. Our order processing is swift, and items are dispatched within 2 business days except during holidays. Once shipped, we regretfully cannot accommodate any modifications to your order. We sincerely hope for your understanding in this matter. The delivery of our package usually takes 7-15 days. We appreciate your patience during this time. In the event of transit-related damages requiring a return, kindly notify us within 24 hours. Should you require a refund, get in touch within 30 days while ensuring the product remains in its original packaging and condition. Refunds are exclusively processed to verified credit cards or issued as store credit. To preempt such situations, if you have any queries, please feel free to contact us prior to placing your order. Although it's an exceptionally rare occurrence, we retain the right to cancel orders affected by out-of-stock items, pricing errors, shipping mishaps, or unforeseen circumstances. Should any such matter arise, rest assured, we'll communicate promptly to enhance your shopping experience. We maintain stringent standards of excellence and strive for complete customer satisfaction. Feedback holds immense value to us. We kindly ask that you reach out to us before giving neutral or negative feedback so that we can effectively address your concerns and ensure your satisfaction.