Check the listing for details. Penn-Plax Cascade Hang-on Power Filter Replacement Cartridges - 3 Pack. Condition: New. Listed at 23.04 USD. Welcome Penn-Plax Cascade Hang-on Power Filter Replacement Cartridges - 3 Pack- Keep your tank clean and clear with the genuine Penn Plax filter cartridge to fit your Cascade 150 or 200 hang-on power filter models CPF3 and CPF4. Sold in a pack of 3. - Activated carbon is great for freshwater aquarium filtration. It has the ability to remove odors; and water discoloration by trapping the pollutants in the pores of the carbon. - The poly-fiber floss barrier screens out particulate matter and debris keeping the water clean; clear; and healthy. - No assembly required keeping your hands clean. Easily install into interior compartment of your hang on filter. Suitable for freshwater and saltwater tanks. - Perfectly measured to fit into the Cascade 150 or 200 filter tray without any gaps preventing debris and contaminants from passing through back into the water. The Fine Print PaymentsWe accept the following payment methods PayPal Please pay as soon as possible after winning an auction, this will allow for quicker shipping times! ReturnsWe accept returns. You can return unopened items in the original packaging within 30 days of your purchase with receipt or proof of purchase. If 30 days or more have passed since your purchase, we cannot offer you a refund or an exchange. Upon receipt of the returned item, we will fully examine it and notify you via email, within a reasonable period of time, whether you are entitled to a return. If you are entitled to a return, we will refund your purchase price and a credit will automatically be applied to your original method of payment. Only regular priced items may be refunded. Sale items are non-refundable. ShippingShipment processing time All orders are processed within 2-3 business days. Orders are not shipped or delivered on weekends or holidays. If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone. Shipping rates & delivery estimates Shipping charges for your order will be calculated and displayed at checkout.