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30-day free returns · Full refund on unused items




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We proudly offer free shipping on all orders across the United States. Every item in our store is delivered with no additional shipping cost.
When you place an order, estimated delivery times are provided based on product availability and your location. Shipping details will be shown at checkout so you know exactly when to expect your pet essentials.
Please note that delivery times may vary depending on your region and carrier availability. While all orders ship free, we work with trusted logistics partners to ensure reliable and timely delivery for pet owners across the U.S.
30-day free returns. Return unused items in their original condition and packaging within 30 days of delivery for a full refund.
Return shipping is free. Email petlywox@gmail.com with your order number and we send you a prepaid return label. Damaged, defective or incorrect items are also returned free of charge.
Once your return is received and inspected, your refund is issued to the original payment method within 10 business days. Opened consumables, used grooming or hygiene items, custom products, sale items and gift cards are not returnable unless they arrived damaged, defective or incorrect. See our Refund Policy.
Please note that deliveries to certain remote or outlying areas may experience slight delays during busy periods or due to weather conditions. These delays are temporary and may vary depending on the location and carrier operations. We appreciate your understanding and patience.
The COOSPIDER Aquarium Filter 400GPH is designed for larger home aquariums, cold plunge setups, and small pond-like spaces. Its side adsorption filtration and a high-quality sponge work together to reduce odors and impurities while promoting steady water circulation. Built to fit tight spaces, this unit blends powerful filtration with straightforward maintenance, so you can focus on enjoying crystal-clear water and healthy aquatic life.
Crafted for practical versatility, the filter favors a balanced flow that supports a range of environments, from freshwater tanks to saltwater displays. Detachable components make routine cleaning a quick, cleaner process, helping you keep your system in top condition without a lot of hassle.
Powered by a robust 400GPH/30W pump, this filter can handle up to 150-200 gallons, delivering a reliable turnover that supports clear water and a steady habitat for fish, turtles, and other aquatic pets. The side adsorption approach targets debris where it tends to accumulate, while the soft sponge media traps particulates and helps maintain water quality without excessive maintenance. The setup is designed to deliver consistent filtration with a light footprint.
The 1.8-meter power cord provides flexible placement, making it easy to position the filter near power outlets or creative aquascapes. Use it in cold plunge ice baths, standard aquariums, saltwater tanks, small ponds, or turtle habitats. It can also serve as a filter pump for fountains and waterfall features, broadening your design possibilities for watery displays.
COOSPIDER offers a 1-year warranty on this filter. If you have questions or need assistance, reach out via the service mailbox provided on the package to receive a reply within 24 hours.
Q: What tank size is this filter best suited for?
A: Designed for 40-150 gallon tanks, including large freshwater, saltwater, and pond setups.
Q: Can it replace a dedicated oxygen pump?
A: It aids water movement and circulation but is not a substitute for a separate oxygen pump.
Full details: Shipping Policy · Refund Policy. Questions? Email petlywox@gmail.com.
Check the exact measurements and package contents before ordering. Read U.S. delivery details and return conditions. For a product question, email petlywox@gmail.com.
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