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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 Aquarium Double Sponge Filter S delivers a reliable mix of mechanical and biochemical filtration powered by an air pump. The combination of sponge media and bioceramic balls helps to gently capture particles and support beneficial microbiology in both freshwater and saltwater setups. This upgraded design emphasizes a larger filtration area and practical adjustments to fit your tank layout, without requiring any water chemistry guarantees.
Key enhancements include a vertical stripe sponge with a larger specific surface area. The stripes are positioned perpendicular to the water inlet holes to improve water contact and adsorption. The result is a filtration system that can help reduce cloudiness and promote clearer water as part of routine tank maintenance.
The package includes replaceable sponges and bioceramic balls for flexible upkeep. Sponges are easy to remove for cleaning and replacement every 2 to 4 weeks, while bioceramic balls can be washed and reused. The product also ships with 2 spare biochemical sponges for extended care between maintenance cycles.
Designed for simple installation, this filter features two strong suction cups and an extendable hang on clip. The water outlet is rotatable, the outlet pipe can extend, and the bottom T connector rotates 360 degrees. This makes it easy to position the flow exactly where you want it.
Suitable for a variety of species and tank sizes, the filter is recommended for small to mid sized setups. For smaller tanks, instances in the 10 to 40 gallon range are common; for larger tanks a second filter may be appropriate to ensure thorough coverage. It is compatible with shrimp, betta, small fish, and similar inhabitants, for both freshwater and saltwater environments.
Note that this product requires an air pump to operate and does not include one in the package. Regular media replacement and media swaps can help tailor filtration to your tank’s needs, without promising specific results.
Q: What tank sizes is the Hygger Double Sponge Filter S suitable for?
A: Best for small to mid sized tanks; commonly used in 10–40 gallon setups, with 15–55 gallon suitability for the medium range.
Q: Is an air pump included and how do I install it?
A: An air pump is required but not included. The filter is compatible with standard air pumps and features two installation methods.
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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