# KLARES GOLD (KG)

> Fil-Trek Cartridge Filters. Canonical page: https://www.fil-trek.com/products/cartridge-filters/kg

Category: Cartridge Filters
Series: KG
Model format: `KG-[MICRON]-[OD]-[LENGTH]-[END CAP]-[SEAL]`
Example: `KG-5-20-E2-BN`

## Overview
Economical nominal-rated depth cartridge for general liquid clarification in industrial processes, balancing reliability and cost

## How It Works
Liquid flows outside-in through a graded-depth fiber matrix; particles are captured throughout the depth

## Applications
- RO/UF pretreatment and general water polishing
- Desalination pretreatment (SDI reduction, silt/particulate removal)
- Boiler feedwater and condensate particulate control
- Cooling water and glycol loops particulate reduction
- Paints, coatings, inks prefiltration
- Chemical batch protection and transfer-line filtration
- General-purpose process gas and compressed air particulate removal
- Electronics rinse water prefiltration
- Marine bunkering/ballast water particulate reduction
- Data centers: TCS CDU filtration, FWS cooling tower, chilled water filtration

## Physical Specifications
- **flow direction:** Outside-to-inside
- **backwash-able:** No
- **outside diameter options:** 2.5", 4.5"
- **inner diameter options:** 1.0"
- **nominal length options:** 10", 20", 30", 40", 50"
- **end cap options:** DOE W/ Cut Ends, DOE W/ Gaskets, DOE W/ Extended Core, SOE W/ 222, 222/Fin Single Open End, SOE W/ 226, 226/Fin Single Open End, SOE W/ Plastic Spring & 222, Self Seal Spring on One End, Direct Bond Gaskets
- **caps materials:** Polypropylene
- **cores materials:** Polypropylene
- **gasket material options:** Buna-N, EPDM, Santoprene, Silicone, Viton, Teflon encap. Viton

## Media Specifications
- **media primary options:** Polypropylene
- **micron ratings:** 1, 3, 5, 10, 20, 30, 50, 75
- **efficiency percent:** 90%
- **media rating:** Nominal
- **changeout dp:** 35 PSID
- **burst pressure:** 65 PSID
- **max temperature:** 180°F
- **approvals certifications:** FDA Listed, NSF 61

## Housing Compatibility
- Standard cartridge filter housings

## Ordering
- Model format: `KG-[MICRON]-[OD]-[LENGTH]-[END CAP]-[SEAL]`
- Example: `KG-5-20-E2-BN`

### Length codes
- **STD:** See Table

### Seal codes
- **Blank:** None (E1 only)
- **BN:** Buna-N
- **EP:** EPDM
- **SA:** Santoprene
- **SI:** Silicone
- **VI:** Viton
- **TEV:** Teflon encap. Viton

### Od codes
- **Blank:** 2.5"
- **D6:** 4.5"

### Cap codes
- **E1:** DOE W/ Cut Ends
- **E2:** DOE W/ Gaskets
- **E3:** DOE W/ Extended Core
- **E4:** 222/Flat Single Open End
- **E5:** 222/Fin Single Open End
- **E6:** 226/Flat Single Open End
- **E7:** 226/Fin Single Open End
- **E8:** SOE W/ Plastic Spring & 222
- **E9:** Self Seal Spring (one end only)
- **E16:** Direct Bond Gasket

### Size codes
- **10:** OD 2.5, 4.5", ID 1", length 10"
- **20:** OD 2.5, 4.5", ID 1", length 20"
- **30:** OD 2.5", ID 1", length 30"
- **40:** OD 2.5", ID 1", length 40"
- **50:** OD 2.5", ID 1", length 50"

### Micron ratings
- 1, 3, 5, 10, 20, 30, 50, 75

## Contact
- **sales@fil-trek.com** — all filtration product inquiries, projects, filter housings, and filtration systems
- **filters@fil-trek.com** — replacement filter media, filter elements, filter bags, hardware, and spare parts

## Links
- HTML: https://www.fil-trek.com/products/cartridge-filters/kg
- Markdown: https://www.fil-trek.com/products/cartridge-filters/kg.md