Description

Technical Parameters

Product Introduction

The 3012 300 GPD RO Membrane is a high-performance reverse osmosis membrane element designed for residential and light commercial water purification systems. With a daily production capacity of 300 gallons per day (GPD) and a stable salt rejection rate of 98%, it effectively reduces dissolved salts, heavy metals, and other unwanted impurities while delivering a consistent supply of clean water.

How to Install a Household RO Membrane

Installing a household RO membrane is a simple process when done correctly. Proper installation not only ensures optimal water quality but also helps extend the service life of the membrane.

Before installation, turn off the water supply and power, then release any pressure inside the RO system.
Open the membrane housing using a suitable wrench and carefully remove the old membrane if one is installed. Clean the housing to remove any dirt or residue before inserting the new 3012 300 GPD RO membrane. Make sure the double O-rings are fully inserted into the housing first, then push the membrane firmly until it is completely seated.
After reinstalling the membrane housing, reconnect the water supply and check all fittings for leaks. Allow the system to flush for 30–60 minutes or discard the first full tank of purified water. This removes the food-grade preservative from the membrane and prepares it for normal operation.

NOTICE: To maintain the best filtration performance, always use proper pretreatment filters such as PP sediment and activated carbon filters. Replacing these filters on schedule helps protect the RO membrane from sediment and chlorine damage, ensuring a stable salt rejection rate and a longer service life.

Technical Specifications

Specification	Details
Effective Membrane Area	5.2 ft² (0.48 m²)
Daily Water Production	300 GPD (Gallons Per Day)
Stable Salt Rejection Rate	98%
Operating Pressure	65 psi

User Evaluation

"We use this in our kitchen for everyday drinking, washing veggies, and making baby formula. It's also great when we take our RV camping – gives us bottled-quality water anywhere. My neighbor installed one for his home bakery, and I recommended it to a friend with a small fish tank. It just works, no fuss."

Alex

Working

"I just want water that tastes clean and doesn't leave white scale on my kettle. This 300GPD RO filter fits my under-sink cabinet, runs quietly, and I don't have to change it every few months. It handles our family's drinking, cooking, and coffee needs without wasting water or my patience. One less thing to worry about."