Standard Size:Membrane Solutions filters fit most standard under-sink 6 stages reverse osmosis water filter system, compatible with Express Water, iSpring, Watts, APEC, Global Water, Watts, Premier, Flowmatic, PuROLine, Crystal Quest, Promax, GE, Dow Filmtec, Pentair, SimPure, Membrane Solutions, etc100% Reliable:Membrane Solutions filters have been certified by NSF, ISO9001 and WQA.PP - Sediment Filter - 1st StageSize: 10" x 2.5"5 micron high-capacityRemove 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 StageSize: 10" x 2.5"Remove chlorine, tastes, odors, VOCs, etc.Recommend replacing every 6 months (varies depending on the water source quality).CTO - Carbon Block Filter - 3rd StageSize: 10" x 2.5"Remove chlorine, tastes, odors, VOCs, etc.Recommend replacing every 6 months (varies depending on the water source quality).RO - 100GPD Reverse Osmosis Membrane - 4th StageSize: 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 years (varies depending on the water source quality).T33 - Post Carbon Filter - 5th StageSize: 2" x 10"Only fit for the filter with 1/4" Quick connect fittingsRemoves any taste or odor the water may have in the tank and create a sweeter water tasteRecommend replacing every 1 year (varies depending on the water source quality)Note:1/4" Quick Connector Defaulted. If you need female thread connector, please note on the order or contact us directly.PH - Alkaline Filter - 6th StageSize: 2" x 10"Only fit for the filter with 1/4" Quick connect fittingsMaterial: Tourmaline, Muyu Stone, Far-infrared activated ball, Anion ballFiltration: Neutralizes acidic waste and adds essential minerals to waterRecommend replacing every 6 months (varies depending on the water source quality).
"6 Stage Filters" Package Includes:
1 x PP Sediment Filter
1 x Granular Activated Carbon Filter
1 x Carbon Block Filter
1 x 100GPD RO Membrane
1 x Inline Carbon Filter
1 x Alkaline Filter
"PP Filter" Package Includes:
1 x Sediment Filter (PP)
"GAC Filter" Package Includes:
1 x Granular Activated Carbon Filter (GAC)
"CTO Filter" Package Includes:
1 x Carbon Block Filter (CTO)
"T33 Filter" Package Includes:
1 x 1/4" Quick Connect Inline Post Carbon Filter (T33)
"Alkaline Filter" Package Includes:
1 x Alkaline Filter
"100GPD RO Membrane" Package Includes:
1 x 100GPD RO Membrane