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S1 & ECP Series

Pentek S1 Series pleated cellulose filters are economical sediment filters down to 20 microns. ECP Series cartridges use resin-impregnated cellulose and polyester fibers for increased wet strength, high flow rates and dirt holding capacity.

Series S1 Pleated Polyester Cartridges

Model No. Name Micron Housing Recommended Flow Initial ΔP @ Flow Rate Case Qty.
155001-43 S1 20 µ 10” Standard 12 gpm 2.4 psi @ 10 gpm 24
155303-43 S1-20 20 µ 20” Standard 15 gpm 0.8 psi @ 10 gpm 14
155405-43 S1-BB 20 µ 10” Big Blue 20 gpm 1.2 psi @ 10 gpm 8
155305-43 S1-20BB 20 µ 20” Big Blue 35 gpm 1.2 psi @ 10 gpm 6

Series ECP Cellulose Polyester Cartridges

Model No. Name Micron End Cap Dia. Length Housing Initial ΔP Case Qty.
255481-43 ECP1-10 1 µ Tan 2.63” 9.75” 10” Standard <1 psi @ 10 gpm 24
255482-43 ECP5-10 5 µ White 2.63” 9.75” 10” Standard <1 psi @ 10 gpm 24
255483-43 ECP20-10 20 µ Blue 2.63” 9.75” 10” Standard <1 psi @ 10 gpm 24
255484-43 ECP50-10 50 µ Yellow 2.63” 9.75” 10” Standard <1 psi @ 10 gpm 24
255485-43 ECP1-20 1 µ Tan 2.63” 20.0” 20” Standard <1 psi @ 10 gpm 14
255486-43 ECP5-20 5 µ White 2.63” 20.0” 20” Standard <1 psi @ 10 gpm 14
255487-43 ECP20-20 20 µ Blue 2.63” 20.0” 20” Standard <1 psi @ 10 gpm 14
255488-43 ECP50-20 50 µ Yellow 2.63” 20.0” 20” Standard <1 psi @ 10 gpm 14
255489-43 ECP1-BB 1 µ Tan 4.50” 9.75” 10” Big Blue <1 psi @ 20 gpm 8
255490-43 ECP5-BB 5 µ White 4.50” 9.75” 10” Big Blue <1 psi @ 20 gpm 8
255491-43 ECP20-BB 20 µ Blue 4.50” 9.75” 10” Big Blue <1 psi @ 20 gpm 8
255492-43 ECP50-BB 50 µ Yellow 4.50” 9.75” 10” Big Blue <1 psi @ 20 gpm 8
255493-43 ECP1-20BB 1 µ Tan 4.50” 20.0” 20” Big Blue <1 psi @ 20 gpm 6
255494-43 ECP5-20BB 5 µ White 4.50” 20.0” 20” Big Blue <1 psi @ 20 gpm 6
255495-43 ECP20-20BB 20 µ Blue 4.50” 20.0” 20” Big Blue <1 psi @ 20 gpm 6
255496-43 ECP50-20BB 50 µ Yellow 4.50” 20.0” 20” Big Blue <1 psi @ 20 gpm 6

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Our Edge in Water Treatment:‌

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.