Heavy Duty Filter Bags-SFB Max Series

SFB MAX Series – Extended-Life Filter Bag with PP Melt-Blown Insert

High dirt-holding capacity · Extended service life · Stable filtration performance

Product Overview

The CMI SFB MAX Series is an extended-life, high-capacity filter bag designed for demanding industrial processes.

It combines a standard polypropylene felt bag with an integrated PP melt-blown cartridge insert, forming a hybrid filtration structure that significantly increases dirt-holding capacity and filtration efficiency.

Compared with traditional PP felt bags, the SFB MAX Series provides 3–4× longer service life, reduced change-out frequency, and more stable pressure control—ideal for continuous-flow and polishing applications.

Key Features

• Hybrid structure: PP felt bag + PP melt-blown insert
• High dirt-holding capacity and extended operational life
• Excellent removal of fine particles & trace contaminants
• Welded seam construction to eliminate bypass
• Rigid internal support ensures consistent flow
• Suitable for a wide range of particle sizes
• Compatible with standard #1 and #2 filter housings
• Cost-effective upgrade from conventional PP felt bags

Typical Applications

• General industrial liquid filtration
• Paint & coating (including e-coat)
• Metal finishing, phosphate & pre-treatment lines
• Water treatment & polishing filtration
• Chemical and solvent processing
• Food & beverage: oils, syrups
• Industrial oil & lubricant filtration

Technical Specifications

Size Options

Fits all standard #1 and #2 bag filter housings.

Benefits Compared with Standard PP Bags

• 3–4× longer service life
• Lower operating cost & reduced downtime
• Better fine-particle capture performance
• Stable flow rate, lower pressure swings
• Improved filtration consistency and reliability

Why Choose the SFB MAX Series?

The SFB MAX Series is engineered for industries seeking enhanced performance without switching to a full cartridge system.

Its hybrid design provides cartridge-like efficiency while maintaining the simplicity and cost-effectiveness of a standard filter bag.

Compatibility Statement

This product fits standard #1/#2 housings and can replace extended-life filter bags from major brands in equivalent applications.