The Omnipure CK5721 is a direct-replacement 10 micron carbon block filter designed to fit Cuno CS-65 and other bayonet-style permanent heads without the premium price. This 14" x 2.5" filter delivers effective chlorine taste and odor reduction in a durable, NSF-approved injection-molded polypropylene body.
SPECIFICATIONS
CK5721 Filter Specs
Filtration
10 Micron
Carbon block
Dimensions
14" x 2.5"
Length x diameter
Connection
SQC Bayonet
Twist-lock style
Compatibility
Cuno CS-65
Direct replacement
Material
Polypropylene
NSF approved
Media Type
Carbon Block
Activated carbon
TECHNICAL DETAILS
Filter Construction & Performance
| Model Number | CK5721 |
| Manufacturer | Omnipure (CK-Series) |
| Filter Media | 10 micron carbon block |
| Body Material | Injection-molded polypropylene (NSF approved) |
| Connection Type | SQC bayonet-style quick-change |
| Primary Applications | Chlorine, taste, and odor reduction |
| Certifications | NSF-approved materials (100%) |
COMPATIBILITY & APPLICATIONS
Direct Replacement for Cuno CS-65 Systems
The Omnipure CK5721 is engineered as a cost-effective alternative to OEM Cuno 3M CS-65 filter bodies. It fits any existing bayonet-style permanent head designed for 14" x 2.5" cartridges with SQC quick-change connections. Ideal for residential, commercial, and light industrial applications requiring chlorine taste and odor removal at 10 micron filtration. This filter works in reverse osmosis pretreatment, ice machine filtration, beverage equipment, and general point-of-use water treatment systems. The CK-Series construction ensures reliable performance without the premium replacement cost of proprietary OEM bodies.
💧 The CK-Series offers the same fit and performance as OEM Cuno filters at a lower cost. Omnipure manufactures all CK-Series bodies from 100% NSF-approved materials, so you're not sacrificing quality for savings.
