Standard Size:
Membrane Solutions 6-stage filters set compatible with most 10" standard under the counter reverse osmosis water systems, such as:
APEC Water ESSENCE RO-PH90, ROES-PH75, ROES-PHUV75, FILTER-MAX-ESPH, FILTER-MAX-ESPHUV-SS
Express Water ROALK5D, ROALKUV10M, FLTSETALKUV075, FLTSETALKUV115Q, FLTSETALKUV225Q, FLTSETALKUV0710, FLTSETALKUV1110Q, FLTSETALKUV2210Q, FLTSETALKUV10Q
Geekpure RO5-MF, RO5-AF, RO6-UV,
iSpring F9K, F10KU, F19K75, F21KU75, F31KU75, PH100, RCC7AK, RCC7AK-UV, RCC7D, RCC7P-AK, RCC1UP-AK
Koolermax AR-122, AR-125
Max Water RO9S
PureDrop RTW5AK, RTW5AK
SimPure SP5-RO75, SP5-RO100, T1, T2
Ukoke RO75GP, UWFS01L
*The list is under continuous updating. Please contact us via eBay message if you don't find your system model here.

Disclaimer:
This product is a generic item that is designed to replace the original part.
Any brand names or logos are the registered trademarks of their respective owners.
Any use of any brand name or model designation for this product is made solely for purposes of demonstrating compatibility.

100% Reliable:
Membrane Solutions water filters are made with high quality filtration components to protect and prolong the lifespan of your reverse osmosis system. Food-grade materials with ANSI/NSF 42/58 certification ensure your drinking water safe.

6 Filters Included:
1 x Sediment Filter (PP)
1 x Granular Activated Carbon Filter (GAC)
1 x Carbon Block Filter (CTO)
1 x 75 GPD RO Membrane Filter (RO)
1 x Post Carbon Filter (T33)
1 x Alkaline Filter (ALK)

PP - Sediment Filter - 1st Stage
Standard size: 10" x 2.5"
5 micron high-capacity (if you need 1 micron, 10 micron, 20 micron, 25 micron or 50 micron sediment filter, please make a note)
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 - 75 GPD Reverse Osmosis Membrane Filter - 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.

ALK - Alkaline Filter - 6th Stage
Standard size: 2" x 10"
Only fit for the filter with 1/4" Quick connect fittings
Made with all-natural mineral resources, enhance your drinking water by boosting pH and Oxygen levels while adding essential minerals including calcium, potassium, magnesium, and more. 
Recommend replacing every 6 months (varies depending on the water source quality).