The SpiroPure SP-RO400QD is a 4-stage portable reverse osmosis water filtration system with deionization, providing you with chemically purified water. This convenient countertop RO system includes sediment, carbon block, and RO filtration, as well as a DI filter cartridge for further reduction of total dissolved solids (TDS). The system can be set upon a countertop or mounted to the wall, making it versatile for various applications such as aquariums, apartment RO, streak-free and spot-free cleaning of vehicles and glass, and more. Minimal assembly is required, with pre-installed quick-connect fittings and two faucet adapters for easy connection to most standard faucets and hoses.

The benefits of the SpiroPure system include its compact and portable design, with minimal assembly required thanks to the pre-installed quick-connect fittings and mounting brackets. The quick-connect fittings allow for fast hook-up of the conveniently color-coded hoses. The system includes two faucet adapters (3/4" and 1/2") to ensure a successful installation. The 4-stage premium filtration provides you with cleaner, purer water, with the 150 GPD RO membrane being the highest flow RO cartridge available at this size. The 0.0001 RO micron filtration allows for up to 99% reduction of over 1000 impurities from water, and the mixed-bed deionization filtration provides further and almost complete reduction of TDS. The indicator color-changing deionization resin lets you know visually when it's time to change the filter cartridge.

Regarding the system's specifications, it is designed for cold water application and features sediment, carbon, reverse osmosis, and deionization filtration. The cartridge life can range from 6 to 12 months, depending on the cartridge type, water quality, and usage. The standard reverse osmosis flow rate is 150 GPD, with a salt rejection of up to 98%. The system's polymer structure is gel polystyrene cross-linked with DVB, and the ionic conversion is 99% H+ and 90% OH-. The cation/anion volume ratio is 2:3 (40% and 60%), and the temperature rating is 40°F to 100°F (4°C to 38°C). The maximum pressure rating is 125 PSI.

The package includes the RO manifold with pre-installed quick-connect fittings and mounting brackets, along with the sediment, carbon, RO membrane, and DI cartridges. It also comes with three color-coded hoses (white, blue, and red), 1/2" and 3/4" connectors, a filter wrench, a collet tool, and two wall mounting bracket screws.

In response to the review claiming the system is not truly 150 GPD, the manufacturer explains that the actual flow rate will depend on various factors, such as water pressure, water temperature, and the amount of contaminants present in the water. The 150 GPD rating is determined under laboratory conditions, which may not reflect the real-world performance in your home. As a general rule, you can expect a flow rate that is 50% to 75% of the listed GPD rating for any RO system.

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