C1SL Alkaline Countertop CoreRO System

The C1SL countertop reverse-osmosis system is listed at $339.00 CAD, reduced from $379.00 CAD, during Waterdrop's Fall Flash Sale. The promotion began September 18, 2026 and ends September 29, 2026 at 11:59 PM PDT. Open the product page, add the system to your cart, and use the publicly listed sale price; Canada shipping is free.