Welcome to "Pi Water 's Online Shopping Site". You can place orders through this site for Pi Water products and also replacement cartridges. If you have any quesions, please email to contact@pi-water.com or call us 714-557-2724 (Toll Free 1-877-259-6716). We usually ship out packages by UPS for domestic order. For international, we ship out by US Mail. The shipping cost will be added to your total order.