CTO+PP 2 in 1 Composite Filter
Q: Why choose a composite filter?
A: The 2‑in‑1 composite structure replaces two filters with one, providing both high‑efficiency sediment filtration and strong carbon adsorption in a compact size, perfect for whole‑house systems with limited space.
Product Application
This 2-in-1 composite filter combines outer PP melt blown sediment filtration and inner CTO compressed activated carbon block into one integrated cartridge. It efficiently intercepts sediment, sand, rust, dirt and large suspended particles, while effectively reducing chlorine, unpleasant taste, odor, organic contaminants and harmful substances. It provides dual‑stage purification in one compact design, maintains stable water flow, extends service life, simplifies installation and replacement, and delivers cleaner, fresher, safer water for daily use.
Product structure
This composite filter features a dual‑layer structure with an outer PP melt blown layer and an inner high‑density CTO carbon block. It is available in 10 inch and 20 inch sizes, including both standard and big blue models. It is compatible with standard whole‑house filter housings, heavy‑duty filter housings, and can be used in 3‑stage whole‑house water filtration systems as a high‑efficiency pre‑filtration and adsorption unit.
Technical parameters
Filtration Material: Outer PP melt-blown layer; inner CTO compressed activated carbon block (coconut shell carbon or other optional), iodine value up to 1100mg/g
Filtration Accuracy: PP layer 1–5μm，CTO layer 5μm
Product Dimensions: 10×2.5 inch, 10×4.5 inch, 20×2.5 inch, 20×4.5 inch
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