Filter  >  Water filter  >  Pentek water filter filter bags

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10 Inch

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20 Inch

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Filter Bags: Maximum Purity, Effortless Application - the Optimal Choice for Clear Liquids

Welcome to Pentair Surface Filtration - your reliable partner for high-quality filtration solutions. As part of the renowned Pentek family, we offer a wide range of top-notch products and innovative solutions for liquid filtration. Our collaboration with Kwerk GmbH, a leading B2B portal, enables us to offer our high-quality filter products to a broad customer base.

Filtration using filter bags is a proven method for efficient particle removal and clarification of liquids in various industries. Our filter bags, made from special textile or filtration materials, provide reliable particle retention and contamination reduction. Through close collaboration with Kwerk GmbH, we ensure that our premium filter bags are available through the B2B portal, allowing customers from different industries to benefit from our top-of-the-line filtration solutions.

Our filter bags are easy to install and use, reducing time and effort in maintenance. They offer a wide range of filtration grades to meet the specific requirements of your application. Whether coarse or fine filter bags, we have the suitable solution for you. With a high dirt-holding capacity, our filter bags can retain a large amount of particles, reducing maintenance frequency and costs.

Filtration using filter bags finds application in various industries, including water treatment, food and beverage, chemical, pharmaceutical, electronics, and more. Our customized filtration solutions enable effective removal of sediments, suspended solids, particulates, rust particles, and other impurities, improving liquid quality and optimizing your processes.

Thanks to our collaboration with Kwerk GmbH, customers have the opportunity to purchase our high-quality filter bags through the B2B portal. Kwerk GmbH is known for its outstanding distribution capabilities and commitment to providing high-quality products to its customers. This partnership allows us to expand our reach and make our filtration solutions accessible to a broad customer base.

If you need further information about our premium filter bags or have any questions, the experts at Pentair Surface Filtration are at your service. Visit the Kwerk GmbH website to discover our products and contact us to find the appropriate filter solution for your specific needs.

Optimize your shopping experience with our detailed delivery information

Plastic pipe systems

Overview of plastic pipe systems
Technical information on ABS pipe systems
Technical information on PVC  U pipe systems
Technical information on PVC  U transparent pipe systems
Technical information on PVC  C pipe systems
Technical information on PP pipe systems
Technical information on PP-R pipe systems
Technical information on PE pipe systems
Technical information on PVDF pipe systems

Chemiedur - pipe

Technical information on UP-GF (FRP) pipe systems
UP-GF (FRP) pipes
UP-GF (FRP) molded parts and connection
UP-GF-PP (FRP) molded parts and connection
UP-GF (FRP) adhesive collars
UP-GF (FRP) loose flanges
Pot Strainer DN 200 - DN 500 Inliner PP/FRP Coated
Pot Strainer DN 200 - DN 500 Inliner FRP/CBL Coated
Angle Seat Strainer DN 200 - DN 400 Inliner FRP/CBL Coated
Manhole mad of FRP and PP/FRP

Plastic pipes

Calculator for cutting pipes
Guidelines for sawing plastic pipe
Leftovers in plastic pipe
Standardization of plastic pipes and molded parts
PVC U pipes deviations
Pressure loss in pipe systems out of PVC U, PVC C and ABS pipe systems
Distinction between Rp, R and G threads
Screw lengths for flange connections

Plastic fittings

PVC U transparent ball valves
Diaphragm valves
Block valves
Butterfly valves
Plastic needle valves


Plastic Valves according to ATEX

New EU guideline 2014/34/EU
Plastic Valves in EX zones
Y-Strainers PP-EL DN 15 - DN 50
Check valves PP-EL DN 15 - DN 50
Angle seat valves PP-EL DN 15 - DN 50

Bonding of plastic pipes

Bonding manual
Video showing the bonding of pipes

Plastic welding

Guidelines for extrusion welding

Grids / support grids

GFK grids
Grids out of PP -el electrically conductive
Profile support grids out of PP -el electrically conductive

Molded ventilation parts

Ventilation technology

Chemical hose

PVC transparent hose with fabric inlay

Industrial tanks and chemical containers

Dosing tanks and outer containers 35 – 1000 Liter
Salt dissolving tanks 60 -5000 Liter
Storage tanks and vats
Storage tanks for water
Safety and collecting troughs
Industrial tank delivery program
Dosing tanks with agitator
Dosing tank agitators
Dosing tanks with attachments
Dosing tanks made of sheet material
Customized chemical containers
Dosing tanks with level indicators



IBC screw caps DN 150/DN 200
IBC adapters out of PE
IBC adapters out of PP

Attachment parts for tank construction

Vapor separators
CO2 - absorbes
Revision nozzles
Block flange

Filter housings and filter cartridges

PENTEK 3G Slime Line filter housings
PENTEK 3G Standard filter housings
PENTEK Big Blue filter housings
PENTEK PP high temperature filter housings
PENTEK PP all nature filter housings
PENTEK filter bags for Big Blue filter housings
PENTEK surface filter cartridges
PENTEK filter cartridges for depth filtration
PENTEK filter cartridges with activated carbon
CINTROPUR filter systems
CINTROPUR water filters

Flange configurator

Blind flanges, loose flanges,  rectangular flanges

Chemical resistance

Table of chemical resistance for plastic pipe systems

Machined plastic parts

Screw-in parts
Threaded fittings
Screw fittings

Milled plastic parts

Loose flanges and blind flanges made of sheet material

Static mixers

Static mixers made of plastic


Single-type and double-type strainers
Pot strainer DN 300
Angle seat strainer DN 500

Flow meters

Variable area flow meters
Configuration tool for flow meters

Filter presses

Laboratory filter presses

Injection molded parts

Scraper made of PE for filter press

Kwerk Practice Blog

The Kwerk team blogs from the field here

Partnership at the highest level.