Check the listing for details. Ultimate Aquarium Flow Kit - Return Line UP-Grade Kit 25-30mm. Color: Black, Condition: New. Listed at 74.43 USD. For this repayment we use the same payment method that you used for the original transaction, unless something different was expressly agreed with you; under no circumstances will you be charged any repayment fees. We may refuse repayment until we have received the goods back or until you have provided evidence that you have sent the goods back, whichever is the earlier. You must return or hand over the goods to us immediately and in any case no later than 14 days from the day on which you inform us of your cancellation of this contract. The deadline is met if you send the goods before the deadline of 14 days has expired. You are only liable for any loss in value of the goods if this loss in value is due to the handling other than what is necessary to establish the nature, properties and.