By redeeming this Subscribe and Save offer at checkout, you agree to our Terms and authorize a charge of $0.00 for today’s order, and authorize your first Subscribe and Save subscription of 1x Drone Filter Upgrade to be shipped to you 30 days from today for the 20% discounted price of $0.00 Every 30 days thereafter, the 1x Drone Filter Upgrade you ordered today from our online store will be shipped to the address on file, and the discounted price of $0.00 will be charged to the card on file until you cancel. You can alter or cancel the Subscribe and Save membership anytime by contacting customer service available 24-7.