High-Performance RO Membranes & Water Filtration for Data Centers

Save 30–50% on RO membranes and replacement filters compatible with major OEM specs

Droplet

Top Sellers for Data Center Water Systems

Data center cooling towers, humidification units, and evaporative cooling systems rely on high-rejection RO membranes and dependable pre-filtration to prevent scaling, membrane fouling, and unexpected downtime. SpiroPure offers standard-size replacement membranes, sediment cartridges, and chlorine-reduction carbon block filters designed to fit standard industry housings, all delivering OEM-compatible performance at 30–50% below name-brand list prices.

SpiroPure SP-BW4040 NSF Certified

SpiroPure SP-BW4040 Brackish Water 4x40 Industrial RO Membrane Element

List Price: $199.80

Our Price: $99.90

Save: $99.90!
VIEW DETAILS
4040 Low Pressure Membrane

Recommended NaCL of up to 2,000 ppm; 28 mm Feed Spacer

SpiroPure SP-BW8040 NSF Certified

SpiroPure SP-BW8040 Brackish Water 8x40 Industrial RO Membrane Element

List Price: $938.66

Our Price: $469.33

Save: $469.33!
VIEW DETAILS
8040 Low Pressure Membrane

Recommended NaCL of up to 2,000 ppm; 28 mm Feed Spacer

SP-BW2521 Membrane NSF Certified

SpiroPure SP-BW2521 NSF-Certified 2.5x21 Commercial RO Membrane Brackish Water

List Price: $129.24

Our Price: $64.62

Save: $64.62!
VIEW DETAILS
2521 Low Pressure Membrane

Recommended NaCL of up to 2,000 ppm; 28 mm Feed Spacer

SP-BW2540 Membrane NSF Certified

SpiroPure SP-BW2540 NSF-Certified 2.5x40 Commercial RO Membrane Brackish Water

List Price: $186.62

Our Price: $93.31

Save: $93.31!
VIEW DETAILS
2540 Low Pressure Membrane

Recommended NaCL of up to 2,000 ppm; 28 mm Feed Spacer

SpiroPure SP-UL4040 NSF Certified

SpiroPure SP-UL4040 Ultra Low Pressure 4x40 Industrial RO Membrane Element

List Price: $220.04

Our Price: $110.02

Save: $110.02!
VIEW DETAILS
4040 Ultra Low Energy Membrane

Recommended NaCL of up to 1,500 ppm; 28 mm Feed Spacer

SpiroPure SP-UL8040 NSF Certified

SpiroPure SP-UL8040 Ultra Low Pressure 8x40 Industrial RO Membrane Element

List Price: $938.66

Our Price: $469.33

Save: $469.33!
VIEW DETAILS
8040 Ultra Low Energy Membrane

Recommended NaCL of up to 1,500 ppm; 28 mm Feed Spacer

SpiroPure SP-FR4040 NSF Certified

SpiroPure SP-FR4040 Fouling Resistant 4x40 Industrial RO Membrane Element

List Price: $257.58

Our Price: $128.79

Save: $128.79!
VIEW DETAILS
4040 Low Fouling Membrane

Recommended NaCL of up to 2,000 ppm; 34 mm Feed Spacer

SpiroPure SP-FR8040 NSF Certified

SpiroPure SP-FR8040 Fouling Resistant 8x40 Industrial RO Membrane Element

List Price: $1,047.10

Our Price: $523.55

Save: $523.55!
VIEW DETAILS
8040 Low Fouling Membrane

Recommended NaCL of up to 2,000 ppm; 34 mm Feed Spacer

20x4.5 Polyester

SpiroPure SP-R5-20BB 20x4.5 Pleated Polyester Filter Cartridge 5 Micron

List Price: $53.74

Our Price: $26.87

Save: $26.87!
VIEW DETAILS
Replace every 3 months
SpiroPure SP-C1-20BB

SpiroPure SP-C1-20BB 20x4.5 Sediment & Carbon Dual Purpose Filter 5 Micron

List Price: $66.52

Our Price: $33.26

Save: $33.26!
VIEW DETAILS
Replace every 3 months

Managing water treatment for mission-critical cooling systems? Whether you need to cross-reference existing OEM part numbers, set up bulk orders, or review pricing, our team is ready to assist.

Jillian Lavada
Jillian Lavada
Commercial Sales Lead
210-944-0393

To request a spec-match or send us your filter list, reach out to Jillian today!

Droplet

Shop by Category

From high-performance RO membranes for cooling tower water treatment, to carbon pre-filters that protect expensive membranes, to sediment cartridges that handle the heavy lifting of particulate removal, we stock the filtration your data center water infrastructure needs. We also carry “Big Blue” style filter housings and HVAC filters. Whether you are replacing membranes on standard service cycles or stocking up on pre-filters, our fast shipping and pricing keep your facility operating smoothly without inflating your maintenance budget.

Order Replacement Data Center Water Filters Online

All Filters provides a comprehensive selection of replacement RO membranes, carbon filters, sediment cartridges, and filter housings for select data center infrastructure and cooling water systems. Our SpiroPure brand delivers 30–50% cost savings compared to major OEM brands while maintaining NSF-certified quality standards across our carbon block, melt-blown polypropylene sediment, and RO membrane lines. SpiroPure products match standard industry dimensions, ensuring proper fit and dependable operation across existing housings and pressure vessels.

Our replacement products help facility managers protect mission-critical equipment, reduce mineral scaling, and lower cooling system blowdown rates. Whether overseeing a single site or managing infrastructure across multiple regional facilities, proper filtration removes particulates, dissolved solids, and chlorine compounds that compromise heat transfer efficiency.

  • RO Membrane Performance: Select commercial and industrial membranes in 2521, 2540, 4040, and 8040 sizes to manage total dissolved solids (TDS) and reduce mineral buildup in cooling tower makeup water.
  • Pre-Filter Protection: High-capacity carbon block cartridges remove chlorine that oxidizes and ruins polyamide RO membranes, while melt-blown and pleated sediment filters trap suspended solids before they clog carbon or membrane feed channels. Regular pre-filter replacement extends membrane service life and lowers operating costs.
  • Mission-Critical Ordering: SpiroPure products directly match standard commercial housings and major OEM part numbers at pricing that protects your operational budget. Most standard orders leave our warehouse same-day, with longer lead bulk ordering available for large-volume, multi-facility operations.
  • Our friendly and knowledgeable customer service team is available seven days a week to assist with product matching, specifications, and order planning. Or contact our sales manager with questions about pricing.
30–50% COST SAVINGS

Cut maintenance spend on high-turnover replacement filters and membranes. Secure OEM-compatible performance without paying inflated name-brand distribution markups.

NSF/ANSI CERTIFIED QUALITY

Certified to NSF/ANSI Standard 61. High salt-rejection membranes and a range of micron ratings across sediment and carbon filters help protect critical cooling loops and extend equipment life.

IN-STOCK AND BULK PROCUREMENT

We maintain strong stock on 8040, 4040, 2521, 2540, and 4021 membranes, pre-filters, and other products. Managing a larger fleet? We offer scheduled bulk procurement with predictable lead times.