No value guarantee is presented for any consumables. No return and no refund. Replacing of new consumable investments is granted and in which case you should wish to swap it for a unsimilar height/model/batch, you can simply pay the amount if traded packet is of larger worth.
No quality warranty is provided for any consumables. No return and no refund. Exchange is allowed for unused and intact (unopened if sealed) consumable purchases should you need to exchange it for a different size/model/package and you can simply pay the balance at our sales office if exchanged package is of higher value within few days after purchase.