Free shipping on all U.S. orders · Delivery details at checkout
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.
Refresh and protect your 10–20 gallon aquarium with Ying-ti replacement cartridges. This 10-pack is designed to work with the Aqua-Tech EZ-Change #2 power filter, offering a simple, budget-friendly way to keep your tank’s filtration routine on track and your viewing experience distraction-free.
These cartridges are built for a snug fit, ensuring steady water flow and minimal fuss during replacements. With ten pieces in the box, you have a ready supply for routine maintenance and timely changes without scrambling for substitutes.
The set includes ten identical filter cartridges designed specifically for 10–20 gallon aquariums. The uniform design helps ensure reliable fit and predictable filtration performance from one replacement to the next.
Ideal for hobbyists who follow a regular care schedule, these cartridges support particle capture and stable water flow. They pair well with routine checks, helping you maintain a clear, appealing tank with less guesswork about when to replace.
For best results, align replacement timing with your tank’s bio-load and feeding pattern. A steady cadence can help keep your filter performing as intended and reduce downtime during cleaning days.
Designed to align with Aqua-Tech EZ-Change #2, these cartridges deliver a trustworthy fit for 10–20 gallon filters. The straightforward design supports quick swaps and simpler tank upkeep.
Turn off the filter, remove the old cartridge, insert the Ying-ti cartridge until it sits securely, then restart and resume normal operation after priming as needed.
Q: What tanks are supported by these cartridges?
A: Compatible with Aqua-Tech EZ-Change #2 and fits 10-20 gallon power filters.
Q: How do I replace the cartridges?
A: Power off the filter, remove the old cartridge, insert the new one, and resume filtration after priming.
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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