Simple Water Softeners

RO FILTERS AND MEMBRANES

Keep your reverse osmosis water tasting clean.

Reverse osmosis filters and membranes protect the system, improve taste, and help maintain high-quality drinking water from your RO faucet.

Filter service6-9

Months is the common replacement range for RO pre-filters and post-filters.

Pre-filtersProtect the RO membrane
RO membraneCore purification stage
Post-filterFinal taste and odor polish
Local supportPickup, shipping, or service call

HOW RO FILTERS WORK

Each filter has a job before water reaches your glass.

A reverse osmosis system uses pressure, filters, and a semi-permeable membrane to remove contaminants. The filters protect the membrane, and the membrane does the heavy lifting.

01

Sediment filter

Removes larger particles such as dirt, rust, and silt before they can clog the system.

02

Carbon filter

Reduces chlorine and chemicals that can damage the RO membrane and affect taste.

03

RO membrane

Allows water molecules through while rejecting many salts, bacteria, and dissolved contaminants.

FILTER STAGES

From tap water to polished drinking water.

Stage 1

Pre-sediment

Stops larger particles so the rest of the system can work properly.

Stage 2

Carbon protection

Reduces chlorine and other chemicals before they reach the membrane.

Stage 3

RO membrane

Filters dissolved solids and microscopic contaminants from the water.

Stage 4

Storage tank

Clean water is stored until the RO faucet is used.

Stage 5

Post-filter

Polishes taste and odor after water leaves the storage tank.

Option

pH or mineral filter

Additional filters can be added when customers want higher pH or minerals added back.

WHEN TO CHANGE FILTERS

Good maintenance keeps the water clean and the system protected.

Replacement timing depends on the system size, local water quality, and how much water the home uses. These are general service ranges.

Pre-filters

6-9 months

Sediment and carbon filters protect the membrane from clogging and chemical damage.

RO membrane

2-3 years

The main membrane removes most remaining contaminants and should be replaced on schedule.

Post-filter

6-9 months

The final filter polishes taste and odor before water reaches your faucet.

SIGNS YOU MAY NEED FILTERS

Watch the taste, clarity, and flow.

If your RO water changes taste, looks cloudy, has reduced flow, or the system has not been serviced in a while, it may be time to replace filters or inspect the membrane.

Water tastes different

Post-filter or carbon filters may be exhausted.

Slower faucet flow

Filters, tank pressure, or membrane condition may need review.

Cloudy water

Filters may need changing or the system may need service.

It has been too long

Regular service protects water quality and system life.

FILTERS AVAILABLE

Pickup, shipping, or service call.

Simple Water Softeners carries filters for many systems. If you do not know what kind you need, call and send a picture so we can help identify it.

RO

RO filters and membranes

Available by phone, with options for shipping, pickup, or scheduled replacement service.

Big Blue

Big Blue filters

Many filter types can go into Big Blue housings. We can help you choose the right one.

Big Bubba

Big Bubba filters

Big Bubba filters are also available for shipping or pickup.

WHY FILTER QUALITY MATTERS

The membrane is the heart of the RO system.

Pre-filters reduce the particles and chemicals that can damage the membrane. The membrane rejects contaminants. The post-filter makes the final water taste better. When one stage is neglected, the whole system can suffer.

01

Protects the membrane

Carbon filters help reduce chlorine before it can harm the membrane.

02

Maintains taste

Fresh filters keep drinking water tasting clean and odor-free.

03

Supports flow

Clean filters help reduce restriction and keep the system working smoothly.

04

Extends system life

Regular service helps the RO system stay reliable for years.

FILTER HELP

Need RO filters, membranes, or a service call?

Call Simple Water Softeners. We can help identify what filters you need, ship filters, arrange pickup, or schedule a service call to replace them for you.

(210) 960-255526610 US HWY 281 N, San Antonio, Texas 78260