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Free standard shipping on orders
We are pleased to offer Free Worldwide Shipping on all orders, delivering to all countries and regions supported by our logistics network.
There are no restrictions on order quantity, parcel size, or shipment weight — every order ships at no cost to you. In addition, all customs duties, import taxes, and government-imposed fees associated with your shipment will be fully covered by us, ensuring you will not incur any extra charges upon delivery.
Please note that delivery times may vary due to local customs procedures and carrier conditions, but your shipping and customs costs will remain completely free under this policy.
We provide a secure and reliable Free Returns service for all customers. Items that remain unused and unopened may be returned within 60 days for a full refund.
All return shipping expenses, including customs-related fees, are fully covered by us.
Refund processing will be completed within 4 weeks from the date the return shipment is sent, regardless of whether the package has arrived at our facility. In general, refunds are finalized significantly earlier, ensuring a smooth and dependable experience.
Tetra brand is a name you can trust in the aquatics industry. With decades of proven performance and high quality products it’s no wonder Tetra is the go to brand for aquatics beginners and veterans alike. The Tetra Whisper Carbon Filter Replacement Cartridges promote healthier fish by helping to remove discoloration, odor, toxins, and other impurities from your aquarium's water. These replacement carbon filters keep your Tetra Power filter running like new. A course layer of floss removes larger debris while activated carbons are hard at work to remove odor and discoloration from the water. The set includes six ready to use replacement filters. Easy Use Instructions: 1. Rinse filter cartridge under cool water to remove carbon dust 2. Open lid and insert filter cartridge into filter 3. Replace clogged filter cartridge when there is reduced water flow out of the filter 4. For best results change filter cartridge monthly or sooner as needed.
1. Rinse filter cartridge under cool tap water to remove carbon dust. 2. Insert new filter cartridge into filter. 3. Replace monthly or more often if there is reduced water flow. For best results, change filter cartridge monthly. After 30 days, the carbon begins to lose effectiveness.
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