12 lt steel tank: plastic coating inside and steel exterior. water filter tank with a 12-liter capacity. a maximum of 10 units of this product can be ordered. swordslife reserves the right to cancel orders of more than 10 units. more than 5 units will be offered for sale at the promotional price. purchase the selling price of the product you reviewed. the stated price is valid until march 21, 2026. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.