Waterdrop is a water filtration brand offering systems and replacement filters for homes and businesses. Its product range includes NSF-certified reverse osmosis options, such as undersink and countertop systems, as well as hot-and-cold, instant-hot, alkaline, and remineralization models. Customers can also choose bottleless RO water coolers, whole-house filtration and water-softening systems, ultrafiltration and carbon filters, UV sterilizers, and water pitchers and dispensers.

The brand serves different needs with products ranging from multi-stage systems to faucet, refrigerator, outdoor, and coffee-related filters. Its catalog includes countertop electric and gravity-fed filters, water cooler replacement cartridges, and accessories such as RO pressure tanks and pure water tanks. Waterdrop also sells espresso machines, including a semi-automatic model that adds magnesium.

Replacement filters and combo kits are available for many of its systems, helping customers maintain their equipment. The website offers filter-finding and product-comparison tools, along with membership benefits, free shipping, and free returns on orders. Overall, Waterdrop provides a broad selection of drinking-water filtration, purification, and related home water products.