United Filters 4.5" x 20" 20 Micron Pleated Polyester BB Filter CartridgePleated polyester cartridges are engineered for efficient sediment filtration. This 20 micron Big Blue cartridge captures particles such as dirt and rust. It provides high flow rates and dependable filtration performance.

Durable and efficient design

Ensures reliable and consistent operation

It effectively removes coarse particles while maintaining hygienic conditions

Suitable for commercial filtration applications

It improves water clarity and supports consistent filtration performance

This wrapped filter is designed for reliable removal of medium-sized particles

Suitable for commercial and industrial filtration systems

Designed for high-flow commercial systems

It provides efficient filtration in compact systems

Designed for longer service life and consistent performance

This pleated polyester filter removes larger particles effectively

Built for durability and stable operation