Note: Pentek has recently changed the design of the Pentek S1-BB. There is no longer any nylon netting encasing the filter.

The Pentek S1-BB replacement water filter can be used in place of the American Plumber W20CLHD and is a general purpose cartridge designed to reduce sand, dirt, sediment, silt, rust, and scale particles in your drinking water. The pleated cellulose construction of this 10 inch water filter allows for maximum dirt-holding capacity. This pleated water filter features a 20 micron rating and is not recommended for use with well-water. Also known as part number 155405 by American Plumber, Culligan, US Filter, and Ametek, this 20 micron water filter measures 10 inches in length with a 4.5 inch diameter.

Pentek S1-BB Specifications:

• Part Number: S1-BB
• Micron Rating: 20
• Service Life: 12,000 gallons; 6 months
• Operating Temperature: 40 - 145 F
• Dimensions: 4-1/2"x 9-3/4"
• Flow rate: 1.2 psi @ 10 GPM
• Service Life: 6 months
• Reduces: sand, rust, sediment, silt, dirt and scale particles
• For more information, view the product manual

The Pentek S1-BB fits the following housings.

• Big Blue 10"

The FiltersFast FF10BBPS-20 is the correct replacement filter cartridge for the Pentek S1-BB. The FF10BBPS-20 is a general purpose pleated sediment cartridge designed to reduce sand, dirt, sediment, silt, rust, and scale particles from your tap water. The pleated construction of this 10-inch water filter allows for maximum dirt-holding capacity while maintaining your water pressure. This pleated water filter also features an impressive 20 micron rating, and is constructed of durable cellulose pleats. This filter is not recommended for use with well-water systems.

FiltersFast FF10BBPS-20 Filter Specifications:

• Part Number: FF10BBPS-20
• Replaces Part Number: S1-BB
• Micron Rating: 20
• Flow Rate: 10 gpm
• Filter Life: 12,000 gallons / 6 months (depends on water quality and usage)
• Dimensions: 4-1/2"x 9-3/4"
• Reduces: sand, rust, sediment, silt, dirt and scale particles

FiltersFast FF10BBPS-20 replaces the following part numbers:

• S1-BB
• W20CLHD
• 155405, 155405-51, 155405-43
• PL10B20
• PC20-BB-S
• FMBB-10-20

FF10BBPS-20 is compatible with the following filter systems:

• Pentek 10" Big Blue filter housings
• American Plumber: W10-PR, W15-PR
• Culligan: HD-950
• 3M Aqua-Pure: AP801
• GE: GXWH-35F, GNWH-38F, GXWH35F, GXWH30C, GXWH-40L, GXWH-30C, HDSFI, GXWH35F, GNWH38F, GXWH40L
• Hydronix: HF45-10BLBK10PR
• Whirlpool: WHCF-WHPLBB, WHCFWHPLBB
• Any Standard 10" x 4.5" housings

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