
Pentek - ECP5-20BB - 20" x 4.5" Pleated Cellulose Sediment 5 Micron Filter
ECP5-20BB 20" x 4.5" Pleated Cellulose Sediment Filter
The Pentek ECP5-20BB combines resin-impregnated cellulose and polyester fibers into a 36 square foot pleated cartridge designed for Big Blue 20" housings. Built for high flow rates and extended service life, this 5 micron nominal filter delivers exceptional dirt-holding capacity while maintaining minimal pressure drop across whole house and commercial systems.
Filter Construction & Performance
| Dimensions | 20" x 4.5" |
| Micron Rating | 5 micron (nominal) |
| Media Surface Area | 36 sq ft |
| Pressure Drop | 1 psi @ 10 GPM |
| Media Composition | Resin-impregnated cellulose & polyester fibers |
| Core Material | Polypropylene |
| End Cap Material | Vinyl plastisol (white color-coded) |
| Temperature Range | 40°F to 125°F (4.4°C to 51.7°C) |
| Housing Compatibility | 20" x 4.5" Big Blue housings |
Engineered for Demanding Applications
Superior Wet Strength
Resin-impregnated formulation delivers higher structural integrity than standard cellulose filters, preventing media breakdown under pressure
Unified End Cap Design
Pleats immersed in thermo-setting vinyl plastisol fuse the core, media, and gasket into a single integrated structure that prevents bypass
High Dirt Capacity
36 square feet of pleated media captures more sediment between changeouts, extending service intervals and reducing maintenance costs
Low Pressure Drop
Maintains just 1 psi drop at 10 GPM flow rate, preserving system pressure and pump efficiency across whole house installations
Color-Coded System
White end caps identify 5 micron rating at a glance, simplifying filter identification during maintenance and replacement cycles
Commercial Grade
Built for high-demand applications including well systems, commercial facilities, and point-of-entry whole house filtration
System Integration
The Pentek ECP5-20BB (model 255494-43) fits all standard 20" x 4.5" Big Blue filter housings. Designed for whole house sediment filtration, well water pretreatment, and commercial applications requiring high flow capacity. Ideal as a prefilter stage ahead of carbon blocks, reverse osmosis systems, or UV sterilizers. Compatible with Pentek, Culligan, GE, and other manufacturers' 20-inch Big Blue housings. Recommended for municipal and well water sources with moderate to heavy sediment loads.
Pentek ECP Series filters are manufactured in the USA to NSF/ANSI standards, trusted by water treatment professionals for over four decades.
ECP5-20BB 20" x 4.5" Pleated Cellulose Sediment Filter
The Pentek ECP5-20BB combines resin-impregnated cellulose and polyester fibers into a 36 square foot pleated cartridge designed for Big Blue 20" housings. Built for high flow rates and extended service life, this 5 micron nominal filter delivers exceptional dirt-holding capacity while maintaining minimal pressure drop across whole house and commercial systems.
Filter Construction & Performance
| Dimensions | 20" x 4.5" |
| Micron Rating | 5 micron (nominal) |
| Media Surface Area | 36 sq ft |
| Pressure Drop | 1 psi @ 10 GPM |
| Media Composition | Resin-impregnated cellulose & polyester fibers |
| Core Material | Polypropylene |
| End Cap Material | Vinyl plastisol (white color-coded) |
| Temperature Range | 40°F to 125°F (4.4°C to 51.7°C) |
| Housing Compatibility | 20" x 4.5" Big Blue housings |
Engineered for Demanding Applications
Superior Wet Strength
Resin-impregnated formulation delivers higher structural integrity than standard cellulose filters, preventing media breakdown under pressure
Unified End Cap Design
Pleats immersed in thermo-setting vinyl plastisol fuse the core, media, and gasket into a single integrated structure that prevents bypass
High Dirt Capacity
36 square feet of pleated media captures more sediment between changeouts, extending service intervals and reducing maintenance costs
Low Pressure Drop
Maintains just 1 psi drop at 10 GPM flow rate, preserving system pressure and pump efficiency across whole house installations
Color-Coded System
White end caps identify 5 micron rating at a glance, simplifying filter identification during maintenance and replacement cycles
Commercial Grade
Built for high-demand applications including well systems, commercial facilities, and point-of-entry whole house filtration
System Integration
The Pentek ECP5-20BB (model 255494-43) fits all standard 20" x 4.5" Big Blue filter housings. Designed for whole house sediment filtration, well water pretreatment, and commercial applications requiring high flow capacity. Ideal as a prefilter stage ahead of carbon blocks, reverse osmosis systems, or UV sterilizers. Compatible with Pentek, Culligan, GE, and other manufacturers' 20-inch Big Blue housings. Recommended for municipal and well water sources with moderate to heavy sediment loads.
Pentek ECP Series filters are manufactured in the USA to NSF/ANSI standards, trusted by water treatment professionals for over four decades.
Original: $54.17
-65%$54.17
$18.96Description
ECP5-20BB 20" x 4.5" Pleated Cellulose Sediment Filter
The Pentek ECP5-20BB combines resin-impregnated cellulose and polyester fibers into a 36 square foot pleated cartridge designed for Big Blue 20" housings. Built for high flow rates and extended service life, this 5 micron nominal filter delivers exceptional dirt-holding capacity while maintaining minimal pressure drop across whole house and commercial systems.
Filter Construction & Performance
| Dimensions | 20" x 4.5" |
| Micron Rating | 5 micron (nominal) |
| Media Surface Area | 36 sq ft |
| Pressure Drop | 1 psi @ 10 GPM |
| Media Composition | Resin-impregnated cellulose & polyester fibers |
| Core Material | Polypropylene |
| End Cap Material | Vinyl plastisol (white color-coded) |
| Temperature Range | 40°F to 125°F (4.4°C to 51.7°C) |
| Housing Compatibility | 20" x 4.5" Big Blue housings |
Engineered for Demanding Applications
Superior Wet Strength
Resin-impregnated formulation delivers higher structural integrity than standard cellulose filters, preventing media breakdown under pressure
Unified End Cap Design
Pleats immersed in thermo-setting vinyl plastisol fuse the core, media, and gasket into a single integrated structure that prevents bypass
High Dirt Capacity
36 square feet of pleated media captures more sediment between changeouts, extending service intervals and reducing maintenance costs
Low Pressure Drop
Maintains just 1 psi drop at 10 GPM flow rate, preserving system pressure and pump efficiency across whole house installations
Color-Coded System
White end caps identify 5 micron rating at a glance, simplifying filter identification during maintenance and replacement cycles
Commercial Grade
Built for high-demand applications including well systems, commercial facilities, and point-of-entry whole house filtration
System Integration
The Pentek ECP5-20BB (model 255494-43) fits all standard 20" x 4.5" Big Blue filter housings. Designed for whole house sediment filtration, well water pretreatment, and commercial applications requiring high flow capacity. Ideal as a prefilter stage ahead of carbon blocks, reverse osmosis systems, or UV sterilizers. Compatible with Pentek, Culligan, GE, and other manufacturers' 20-inch Big Blue housings. Recommended for municipal and well water sources with moderate to heavy sediment loads.
Pentek ECP Series filters are manufactured in the USA to NSF/ANSI standards, trusted by water treatment professionals for over four decades.















