Professional Water Filtration Solutions for Cruise Lines

Seawater RO membranes, carbon filters, and sediment cartridges for reliable onboard desalination and water treatment

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Top Sellers for Cruise Lines

We offer a comprehensive selection of compatible replacement RO membranes and pre-filters for cruise ship desalination systems at 30–50% savings over brand name pricing. Whether you're managing centralized procurement or vessel-by-vessel ordering, All Filters helps you maintain reliable onboard water production with marine-grade filtration for less.

SpiroPure SP-SW4040 NSF Certified

SpiroPure SP-SW4040 Seawater Desalination 4x40 Industrial RO Membrane Element

List Price: $425.16

Our Price: $212.58

Save: $212.58!
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4040 High Rejection Membrane

Recommended NaCL of up to 32,000 ppm; 28 mm Feed Spacer

SpiroPure SP-SW8040 NSF Certified

SpiroPure SP-SW8040 Seawater Desalination 8x40 Industrial RO Membrane Element

List Price: $1,673.92

Our Price: $836.96

Save: $836.96!
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8040 High Rejection Membrane

Recommended NaCL of up to 32,000 ppm; 28 mm Feed Spacer

SP-SW2521 Membrane
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SpiroPure SP-SW2521 NSF-Certified 2.5x21 Commercial RO Membrane Seawater Desalination

List Price: $193.74

Our Price: $96.87

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2521 High Rejection Membrane

Recommended NaCL of up to 32,000 ppm; 28 mm Feed Spacer

SP-SW2540 Membrane NSF Certified
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SpiroPure SP-SW2540 NSF-Certified 2.5x40 Commercial RO Membrane Seawater Desalination

List Price: $301.94

Our Price: $150.97

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2540 High Rejection Membrane

Recommended NaCL of up to 32,000 ppm; 28 mm Feed Spacer

SWC-25-4030

SpiroPure SP-CW30-40 40x2.5 String-Wound Polypropylene Filter 30 Micron

List Price: $19.96

Our Price: $9.98

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Replace every 4 months
SWC-25-40100

SpiroPure SP-CW100-40 40x2.5 String-Wound Polypropylene Filter 100 Micron

List Price: $19.96

Our Price: $9.98

Save: $9.98!
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Replace every 4 months
Pentek P5-40

SpiroPure SP-P5-40 40x2.5 Melt-Blown Polypropylene Filter Cartridge, 5 Micron

List Price: $14.92

Our Price: $7.46

Save: $7.46!
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Replace every 2 months
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From high-performance seawater RO membranes for desalination, to carbon pre-filters that protect your expensive membranes, to sediment cartridges that handle the heavy lifting of particulate removal—we stock everything your shipboard water treatment system needs. We also carry bag filters for large-scale pre-filtration applications throughout your vessels. Whether you're replacing membranes on their typical service cycle or stocking up on pre-filters for regular maintenance, our fast shipping and Super Value deals keep your fleet's systems running smoothly without breaking your budget.

Order Replacement Marine Water Filters Online

All Filters offers a comprehensive selection of replacement RO membranes, carbon filters, and sediment cartridges for cruise ship water treatment systems. Our SpiroPure brand delivers 30–50% cost savings compared to OEM filters while maintaining NSF-certified quality standards. SpiroPure filters are compatible with many major marine treatment systems, ensuring proper fit and reliable operation.

Our replacement products help marine engineers maintain consistent water quality for passengers and crew. Whether managing a single vessel or coordinating fleet-wide procurement, proper filtration protects equipment investments and ensures reliable onboard water production. Here are some more benefits from All Filters:

  • Seawater Desalination RO Membrane Selection: Choose from industrial 4040 and 8040 sizes designed for shipboard desalination and smaller 2521 and 2540 commercial sizes. We stock high-rejection seawater membranes as well as brackish water and energy-efficient options for demanding applications. Achieve optimal salt rejection to maintain water quality standards when properly maintained.
  • Pre-Filter Protection: Carbon filters remove chlorine and chemicals that can damage RO membranes, while sediment cartridges protect against particulate fouling from seawater. Regular pre-filter replacement extends membrane life and reduces operating costs, preventing expensive emergency replacements during voyages.
  • Fleet-Ready Ordering: Our filters work with several popular water maker systems and replace major brands at pricing that protects operational budgets. Same-day shipping on most orders, free shipping over $99, and Super Value deals on carbon and sediment filters let you maintain inventory across your fleet efficiently.
  • Our friendly and knowledgeable customer service team is available seven days a week to provide individualized advice so you can find the right product. Or contact our sales manager with questions about pricing.
FLEET COST SAVINGS

We deliver 30–50% savings over OEM membrane pricing every day, helping cruise lines reduce operational expenses for individual boats or across fleets. Our Super Value deals offer additional bulk discounts with free shipping—perfect for centralized procurement and maintaining consistent inventory across multiple vessels without budget strain.

MARINE-READY SHIPPING

Most orders ship same-day to meet tight port schedules and prevent delays. With free shipping on orders over $99 and special Super Value deals, you'll never face water system issues due to parts availability. We understand marine operations can't wait for next-day delivery.

SUPERIOR SERVICE

Our customers consistently rate us highly, reflecting our understanding of marine water treatment challenges. Our customer support team is available 7 days a week to help you select compatible replacements for shipboard systems and coordinate delivery across multiple port locations.