300 GPD Reverse Osmosis System

Freestanding light commercial RO system with pressure gauge, 48v pump, pre-filters, and a reverse osmosis membrane

This 300 GPD reverse osmosis system is the perfect light-duty commercial RO system. It features a corrosion-resistant frame-mount that can be either mounted on the wall or used as a free-standing reverse osmosis system. Delivering an impressive 300 gallons of water per day, it is extremely dependable and a great choice for light-use foodservice and commercial applications such as coffee shops, restaurants, school and hospital cafeterias, catering operations, salons, labs, and offices. The RO300GPD has superior performance rates for removing chlorine, hardness, heavy metals, toxins, and many other water impurities. A built-in 48V pump increases the production of purified water by raising the water pressure to the optimal level for the reverse osmosis process.

The RO300GPD is not recommended as a whole house system. This is because the 48V pump is not intended for constant use and the usage requirements needed for whole-house residential water treatment.

RO300GPD Reverse Osmosis System Features:

• Removing chlorine, hardness, heavy metals, toxins, and many other water impurities


• Space-saving design


• Turn-key, cost-effective, and reliable water purification system


• Membrane housing, cartridges, fittings, and tubing are NSF certified. NSF International is a global, independent public health and safety organization.


• Pressure gauge for pre-filter monitoring


• Quick connect fittings for easy installation, and twist-off water filter housings make changing the water filters very easy


• High-quality 10-inch water filters provide extended filter life and high capacity. This RO300GPD reverse osmosis system includes a 5-micron sediment water filter and 0ne 5-micron carbon block, and granular activated carbon water filter that removes chlorine and more.


• 300 GPD reverse osmosis membrane


• Lightweight aluminum frame with heavy-duty powder coating that is corrosion resistant so it will not rust


• Built-in 48V pump increases the production of purified water by raising the water pressure to the optimal level for the reverse osmosis process


• Can be floor-standing or wall-mounted


• Filter wrench included

Stages of the RO300GPD Reverse Osmosis System

This 300 GPD reverse osmosis system delivers healthy, pure water that is free from chlorine, hardness, heavy metals, toxins, and many other water impurities. Here’s how the system works:

• Stage 1 – 5-micron sediment filter (PP10) – Replace every 6 months


• Stage 2 & 3 – 5-micron coconut shell carbon block water filter (CTO10S) removes sediment, chlorine, offensive taste and odors, rust, and particulates. A carbon block water filter provides more contaminant removal than a granular activated carbon filter (GAC10S) which means better tasting water too. Coconut shell carbon block technology is eco-friendly. Replace every 6 months.


• Stage 4 – Thin-film composite membrane (MEM4003012) – Replace every 12 months


• Stage 5 – 5-micron carbon block water filter (POS-300) – Replace every 6 months

PS-300G 300 GPD Reverse Osmosis System Specifications:

• Dimensions: 11″ L x 18″ W x 32″ H


• Feedwater source: TDS levels up to 1,500 ppm


• Operating temperature: 40° – 100° F


• Operating pressure: 120 psi


• Tubing: 3/8″ white