Thank you for viewing. This is the Cleansui Spout-in Type Water Purifier Replacement Water Filter Cartridge HSC17023 (3-pack). This is a replacement cartridge for household water purifiers, thoroughly removing impurities and residual chlorine from tap water, allowing you to use your daily drinking water with greater peace of mind and better taste. This built-in type cartridge supports the removal of 17 + 2 substances, making it suitable for everyday use, as well as for cooking, tea, and coffee. This 3-pack is a convenient set for: - Stocking up for regular replacements - Long-term use for families - Bulk purchases [Product Condition] - New, unused - Contents: 3 cartridges - Model number: HSC17023 [Storage Condition] After purchase, it was stored in a dark place, away from direct sunlight. [Shipping Method] Waterproof packaging will be used, and the product will be carefully packed and shipped via anonymous delivery. Instant purchase is welcome. If you have any questions, please feel free to comment.