Check the listing for details. Fluval CO2 Permanent Test Set NOVELTY. Condition: New. Listed at 23.07 USD. In order to exercise your right of cancellation, you must inform us by means of a clear statement (e.g. a letter sent by post or email) about your decision to cancel this contract. For this repayment we use the same means of payment that you have used in the original transaction, unless something else has been expressly agreed with you; Under no circumstances will you be charged because of this repayment fee. We can refuse the repayment until we have returned the goods or until you have provided the proof that you have returned the goods, depending on which the earlier time is. You have to send or hand over the goods immediately and in any case within 14 days from the day on which you inform us about the revocation of this contract. The deadline is preserved if you send the goods before t.