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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 hygger Sponge Filter is designed to run with an air pump, delivering gentle water movement that supports both mechanical and biological filtration. The sponge elements capture fine particles while offering a surface where beneficial bacteria can develop, helping to keep water clear and the tank environment stable for your aquatic inhabitants.
The system combines multi-level filtration to balance particle removal with biological filtration. The sponge media work with two ceramic filter boxes to provide additional cleaning surfaces and a flexible media mix. The outcome is a quiet, low-flow filtration that minimizes disruption to fish and shrimp.
You get four replaceable sponges and two ceramic filter boxes. Sponges can be removed for cleaning or replacement, and the ceramic media boxes accommodate additional media choices. This modular approach makes routine maintenance straightforward and flexible.
Connect a 4 mm air hose from your air pump to the sponge filter. The outlet pipe is adjustable to direct water flow, and the 360-degree rotatable bottom helps you position the spray where it works best for your tank. Suction cups secure the unit to the tank wall.
Designed for 15 to 55 gallon tanks. For larger tanks, you may want two units to achieve even filtration. Suitable for shrimp tanks, betta aquariums, breeding ponds, goldfish, discus, and juvenile fish environments, among other freshwater setups.
Note: Results depend on overall tank conditions, stocking level, and regular maintenance. This filter is designed to support clarity and circulation with flexible media and flow options to suit your needs.
Q: What tanks is this filter suitable for?
A: Best for 15 to 55 gallon tanks; two units may be needed for larger setups.
Q: Is maintenance simple with this filter?
A: Yes, replaceable sponges and ceramic balls; easy cleaning and modular media boxes.
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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