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WP-BB & WPX-BB Series

Pentek WP-BB and WPX-BB string-wound cartridges use durable polypropylene cord around a rigid polypropylene core to economically reduce fine sediment, rust, sand and scale particles. WPX-BB is recommended when foaming is an issue.

WP-BB Series Big Blue Wound Polypropylene Cartridges

Model No. Name Micron Dia. Length Housing Initial ΔP @ Flow Rate Case Qty.
355212-43 WP.5BB97P 0.5 µ 4.5” 9.75” 10” Big Blue 5 psi @ 10 gpm 8
355213-43 WP1BB97P 1 µ 4.5” 9.75” 10” Big Blue 4 psi @ 15 gpm 8
355214-43 WP5BB97P 5 µ 4.5” 9.75” 10” Big Blue 3 psi @ 20 gpm 8
355215-43 WP10BB97P 10 µ 4.5” 9.75” 10” Big Blue 1 psi @ 20 gpm 8
355216-43 WP25BB97P 25 µ 4.5” 9.75” 10” Big Blue 1 psi @ 20 gpm 8
355222-43 WP1BB20P 1 µ 4.5” 20” 20” Big Blue 6 psi @ 30 gpm 6
355223-43 WP5BB20P 5 µ 4.5” 20” 20” Big Blue 6 psi @ 40 gpm 6
355225-43 WP25BB20P 25 µ 4.5” 20” 20” Big Blue 5 psi @ 30 gpm 6

WPX-BB Series Fibrillated Polypropylene String-Wound

Model No. Name Micron Dia. Length Housing Initial ΔP @ Flow Rate Case Qty.
355217-43 WPX5BB97P 5 µ 4.5” 9.75” 10” Big Blue 16 psi @ 10 gpm 8
355218-43 WPX10BB97P 10 µ 4.5” 9.75” 10” Big Blue 12 psi @ 15 gpm 8
355219-43 WPX25BB97P 25 µ 4.5” 9.75” 10” Big Blue 10 psi @ 20 gpm 8
355220-43 WPX50BB97P 50 µ 4.5” 9.75” 10” Big Blue 8 psi @ 30 gpm 8
355221-43 WPX100BB97P 100 µ 4.5” 9.75” 10” Big Blue 8 psi @ 40 gpm 8
355226-43 WPX100BB20P 100 µ 4.5” 20” 20” Big Blue 8 psi @ 65 gpm 6

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Proven Expertise‌ – 20+ years, 500+ global projects.
‌Smart Innovation‌ – AI-driven systems, ZLD tech, modular designs.
Sustainability First‌ – Energy-efficient, zero-waste solutions.
End-to-End Partnership‌ – From design to maintenance, tailored for your needs.
‌Partner with us‌ to scale impact, cut costs, and lead in sustainable water solutions.