20x4.5 String Wound Cartrridge Big Blue
20″ x 4.5″ High Flow Big Blue Sidement Water Filter Cartridge, 1 or 5 Micron, Choose from 1, 2, 4 or 10 pcs. FREE Delivery.
20” Big Blue Sediment String Wound Water Filter Cartridge Replacement
Our polypropylene 4.5x20 inch string wound big blue water filter cartridge is a high flow sediment big blue water filter cartridge replacement which removes / reduces algae, dirt, particulate matter, rust, sand, sediment and silt. It is widely used for domestic, commercial and industrial water filtration applications, reverse osmosis pretreatment (SDI reduction), Drinking water, Beverage processing, Seawater desalination, Whole house water filtration, Electronics and electroplating, Photographic solution .. etc.
Media: Polypropylene
Nominal Length: 20 inch
Micron Rating: 1 or 5 micron
Outer Diameter: 4.5" (114.5 mm)
Inner Diameter: 27.5 mm
Core Material: Polypropylene
End Adapter: No end adapters (double open end, DOE)
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Estimated Delivery:Jul 15 - Jul 19
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Next Day Dispatch
20x4.5 String Wound Cartrridge Big Blue
20″ x 4.5″ High Flow Big Blue Sidement Water Filter Cartridge, 1 or 5 Micron, Choose from 1, 2, 4 or 10 pcs. FREE Delivery.
20” Big Blue Sediment String Wound Water Filter Cartridge Replacement
Our polypropylene 4.5x20 inch string wound big blue water filter cartridge is a high flow sediment big blue water filter cartridge replacement which removes / reduces algae, dirt, particulate matter, rust, sand, sediment and silt. It is widely used for domestic, commercial and industrial water filtration applications, reverse osmosis pretreatment (SDI reduction), Drinking water, Beverage processing, Seawater desalination, Whole house water filtration, Electronics and electroplating, Photographic solution .. etc.
Media: Polypropylene
Nominal Length: 20 inch
Micron Rating: 1 or 5 micron
Outer Diameter: 4.5" (114.5 mm)
Inner Diameter: 27.5 mm
Core Material: Polypropylene
End Adapter: No end adapters (double open end, DOE)
Discover more in our FAQ
What types of industrial water treatment products do you offer?
We offer a comprehensive range of industrial water treatment solutions, including:
Filtration Systems – Effectively removes sediment, chlorine, and other impurities to enhance water purity and system longevity.
Reverse Osmosis Membranes – High-performance purification technology that eliminates dissolved solids, contaminants, and impurities for ultra-pure water.
Membrane Housings – Durable, high-pressure enclosures engineered to protect and optimize the performance of RO membranes.
Filter Cartridges – Precision-engineered sediment, carbon, and specialty filters designed to target specific contaminants for enhanced water treatment efficiency.
Chemical Dosing Systems – Precise chemical treatment for water.
Media FRP Pressure Vessels – High-pressure tanks for filtration media.
Ion Exchange Resins – Softening and demineralization solutions.
Water Instruments – pH meters, conductivity meters, and TDS testers.
Rotameter Flow Meters – Accurate flow measurement devices.
Watermaker Parts – Spare parts for marine and industrial watermakers.
Water Quality Test Kits – Portable and lab testing solutions.
How do I know which product is right for my application?
Choosing the right product depends on:
Water quality parameters (TDS, pH, hardness, contaminants)
Flow rate and pressure requirements
Industry-specific needs (food processing, pharmaceuticals, HVAC, etc.)
If you’re unsure, our technical support team can help you select the best solution.
Do you offer bulk pricing for large industrial orders?
Yes! We provide bulk discounts and custom pricing for high-volume orders. Contact us for a personalized quote.
How long does shipping take?
Shipping times depend on location and stock availability. Standard delivery is 3–7 business days for most regions. Expedited shipping options are available upon request.
What is your return policy?
We offer a 14-day return policy from the date of delivery. If you are not completely satisfied with your purchase, you can return the item for a refund or exchange, provided it meets our return conditions.
What happens if I receive a damaged or incorrect item?
If your item arrives damaged or you receive the wrong product, please contact us immediately at support@waterfilter.net.au with photos and your order number. We will send a replacement or issue a refund as per our return policy..
How long does shipping take?
Shipping times depend on location and stock availability. Standard delivery is 3–7 business days for most regions.
Expedited shipping options are available upon request.
Do you ship internationally?
Yes, we offer international shipping for most of our industrial water treatment products. Contact us for custom shipping quotes and lead times.