C1 Sediment + Carbon Combination Filter Cartridge
SKU 23-0051Or 4 interest-free payments — see options at checkout.
- Founded 1985
- Built in Tempe AZ
- In-house membranes
- Lifetime support
Pentair Pentek C1 dual-purpose cartridge — PAC-impregnated cellulose media that handles fine sediment filtration and chlorine taste/odor reduction in a single stage. Built as an economical alternative to running separate sediment + carbon cartridges.
What it does
Combines a 5 micron sediment filter and a basic carbon stage. Good for heavily chlorinated residential supplies or as a polishing filter in process and closed-loop applications where one cartridge has to cover both jobs.
Features
- 5 micron sediment + carbon filtration in one cartridge
- Basic chlorine reduction at strong economic value
- High flow rate from low initial pressure drop
- Good dirt-holding capacity
- Strong choice for heavily chlorinated residential supplies
- Works well as a polishing filter in process or closed-loop streams
Specs
- Form factor: standard 10"
- Micron rating: 5
- Media: PAC-impregnated cellulose
- End caps: vinyl plastisol · Netting: polyethylene · Core: polypropylene
- Temperature: 40–125°F (4.4–51.7°C)
Related products
- Dedicated sediment: MicroTec 0.5 Micron 10"
- Dedicated carbon: 0.5 Micron Carbon Block 10" · 1 Micron Carbon Block 10"
- Browse all replacement filters
Questions about filters, production rates, or membranes? Visit our Know Your Filters page or contact us.
Cleaner water for plants, pets, and people
Reverse osmosis membranes reject microplastics, PFAS and "forever chemicals," chlorine and chloramine byproducts, heavy metals, and the dissolved solids that show up as taste and scale. That means cleaner feed water for your plants, animals, business, or family — and a lot less reliance on bottled water, which keeps plastic out of the landfill. Most setups run a 3:1 waste-to-product ratio on hard water and 2:1 on soft water, and can be tuned to 1:1 in high-purity feed areas or with a periodic pure-water flush. The system is built to last with field-serviceable filter housings, so you replace cartridges (not whole units) for years of dependable purity.