Standard Size:
Membrane Solutions 5-stage filters set compatible with most 10" standard under the counter reverse osmosis water systems, such as:
APEC Water ESSENCE ROES-50, ROES-75, ROES-PH75, ROES-PHUV75, ROES-UV75-SS, ROES-UV75, FILTER-MAX-ES50, FILTER-MAX-ESPH, RO-45, RO-90, RO-PERM, RO-PUMP, WFS-1000
AQUALUTIO AL-1117
iSpring F9K, RCC7AK, RCC7P-AK, RCC7PAK, RCC7, RCS5T, US31, RCC7P, F7-GAC, F7RO, F3_SML , RCC7AK-UV, RCC7D, RCC7U, RCC100P, RCC1UP
Express Water RO5DX, ROALK5D, ROUV10DCG, ROALKUV10M, RODI10D, ROELITE9, FLTSETS6C6G6I3M502
GeekPure RO5-AF, RO5-UV, RO5-PLUS
Global Water RO-505
PureDrop RTW5
SimPure T1
Watts 415, and more. 

100% Reliable:
Our high capacity filter replacement cartridge with NSF42 certified and ISO9001:2015 certificated ensure your drinking water fresh. Food-grade materials give your more Fresh Water. 

5 Filters Included:
1 x Sediment Filter (PP)
1 x Granular Activated Carbon Filter (GAC)
1 x Carbon Block Filter (CTO)
1 x 36 GPD RO Membrane (RO)
1 x Post Carbon Filter (T33)

PP - Sediment Filter - 1st Stage
Standard size: 10" x 2.5"
5 micron high-capacity
Remove larger particles, dirt, silt, rust, sand, etc.
Protects and extends the life of the membrane and system.
Recommend replacing every 6 months (varies depending on the water source quality).

GAC - Granular Activated Carbon Filter - 2nd Stage
Standard size: 10" x 2.5"
Remove chlorine, tastes, odors, etc.
Recommend replacing every 6 months (varies depending on the water source quality).

CTO - Carbon Block Filter - 3rd Stage
Standard size: 10" x 2.5"
Remove chlorine, tastes, odors, etc.
Recommend replacing every 6 months (varies depending on the water source quality).

RO - 36 GPD Reverse Osmosis Membrane - 4th Stage
Standard size: 2" x 12"
Reject impurities down to 0.0001 microns, it can efficiently remove up to 99% of over 1,000 contaminants from your water, including heavy metals (primarily fluoride, calcium, magnesium, lead, colloids, chromium, and nitrates), organic, rubber mass, harmful minerals and another soluble salt from water.
Recommend replacing every 2~3 years (varies depending on the water source quality).

T33 - Post Carbon Filter - 5th Stage
Standard size: 2" x 10"
Only fit for the filter with 1/4" Quick connect fittings
Removes any taste or odor the water may have in the tank and create a sweeter water taste
Recommend replacing every 1 year (varies depending on the water source quality)
Note: 1/4" Quick Connector Defaulted.If you need female thread connector, please send a picture to show your filter and fittings before setting order, we will help you.