Brand Buying Guide

Waterway™ Replacement Cartridge Filters

Dependable Replacement Filters for Pool & Spa Systems

Excel Filters offers premium Waterway™ replacement cartridge filters designed to provide reliable filtration for pools, spas, and hot tubs. Our cartridges are manufactured with quality materials to deliver excellent performance and help maintain clear, clean water.

Benefits of Waterway™ Replacement Filters

  • Efficient particle capture
  • Strong, durable construction
  • Excellent flow characteristics and easy installation
  • Designed for repeat cleaning and dependable service life

Compatible Waterway™ Cartridge Filter Lines

Unsure which cartridge you need? , or follow our how to measure your filter cartridge guide.

  • Waterway™ ProClean Cartridge Filters Efficient filtration and excellent water clarity for residential pool applications.
  • Waterway™ ProClean Plus Cartridge Filters Higher-capacity filtration and longer cleaning cycles for improved dirt-holding capacity.
  • Waterway™ Clearwater II Cartridge Filters Dependable filtration performance and compatibility with many pool systems.
  • Waterway™ Crystal Water Cartridge Filters Effective debris removal for pool and spa applications.
  • Waterway™ Spa Cartridge Filters Replacement cartridges for many Waterway™ spa filtration systems, including top-load and front-access applications.

Why Choose Excel Filters?

  • Made in the USA — Premium pool and spa filters manufactured with strict quality standards.
  • OEM-Level Quality — Designed to meet or exceed OEM specifications for fit, function, and performance.
  • Expert SupportOur filtration specialists can help you identify the correct replacement cartridge.
  • Competitive Pricing — High-quality filtration without the premium OEM price tag.

Waterway™ Replacement Cartridge Filters — OEM Specification Quality

Excel Filters replacement cartridges are designed to meet or exceed OEM specifications, providing the fit, function, and filtration performance needed for Waterway™ pool and spa systems. Our filters are built to deliver dependable water clarity and long service life.

Choose from popular Waterway™ pool and spa filter lines with reliable Excel Filters replacement cartridges below.

Shop Waterway™ Replacement Filters

Browse 14 compatible Excel Filters replacements for Waterway™ systems.

4-Pack Pentair Clean Clear Plus 420 and Waterway 425 Replacement Filter Cartridges.  Replaces R173576, PCC105, Unicel C-7471, Filbur FC-1977 | XLS-718 4PACK by Excel

XLS-718 4Pack

In stock

Replacement Filter for Waterway 425 4-Pack

Filter Area 105 ft²
Dimensions 7" × 26 1/16"
$189.99
4-Pack Pentair Clean & Clear Plus 520 / Waterway Crystal Water 525 Filter Cartridges. Replaces PCC-130, C-7472, FC-1978, R173578 | XLS-706 4PACK by Excel

XLS-706 4Pack

In stock

Replacement Filter for Waterway Crystal Water 525 (817-0131), Crystal Water 600 (817-0143), 525 4-Pack

Filter Area 130 ft²
Dimensions 7" × 32 1/16"
$219.99
4-Pack Pentair Clean & Clear Plus 320 and Waterway 325 Filter Cartridges – Replaces PCC-80, C-7470, FC-1976 and R173573 | XLS-720 4PACK by Excel Filters

XLS-720 4Pack

In stock

Replacement Filter for Waterway Crystal Water 325 4-Pack

Filter Area 81.25 ft²
Dimensions 7" × 20"
$189.99
1-Pack Hayward Star Clear Plus C1200, Jandy CS100, Waterway Clearwater II 125 Filter Cartridge. Replaces CX1200RE, PA-120, C-8412 | XLS-802 1PACK by Excel

XLS-802 1Pack

In stock

Replacement Filter for Waterway Clearwater II 125 1-Pack

Filter Area 125 ft²
Dimensions 8 15/16" × 23 5/16"
$79.99
1-Pack Hayward C1750 / CX1750RE, Waterway 175 / 200 Filter Cartridge – Replaces PA-175, C-8417, FC-1294, PXC-125, PXC-150 | XLS-803 1PACK by Excel Filters

XLS-803 1Pack

In stock

Replacement Filter for Waterway CX1750RE, CX1900RE 1-Pack

Filter Area 175 ft²
Dimensions 8 15/16" × 28 3/16"
$96.99
1-Pack Hayward Star Clear Plus C900 and Waterway Clearwater II 100 Filter Cartridge. Replaces CX900RE, 817-100, PA-90, C-8409 | XLS-800 1PACK by Excel

XLS-800 1Pack

In stock

Replacement Filter for Waterway ProClean Plus 100 1-Pack

Filter Area 90 ft²
Dimensions 8 15/16" × 17 3/8"
$79.99
1-Pack Hayward CC1500, Waterway Clearwater II 150, ProClean Plus 150  and Jandy CS150 Filter Cartridge Replacement  |  XLS-822 1PACK by Excel Filters

XLS-822 1Pack

In stock

Replacement Filter for Waterway 150 1-Pack

Filter Area 150 ft²
Dimensions 8 15/16" × 23 5/16"
$99.99
1-Pack Hayward Star Clear Plus C751, Waterway Clearwater II 75 Replacement Filter Cartridge – Replaces CX760RE, PA-76, C-8411 | XLS-801 1PACK by Excel

XLS-801 1Pack

In stock

Replacement Filter for Waterway Clearwater II 75 1-Pack

Filter Area 75 ft²
Dimensions 8 15/16" × 17 3/8"
$79.99
1-Pack Hayward Star Clear Plus C1750, C1900 and Waterway Clearwater II 200 Replacement Filter Cartridge – Replaces C-8419, PWWCT-200, PXST175 | XLS-847 1PACK

XLS-847 1Pack

In stock

Replacement Filter for Waterway Clearwater II 125, CCX1750RE 1-Pack

Filter Area 200 ft²
Dimensions 8 15/16" × 23 5/16"
$92.99
2-Pack XLS-435 2PACK Pool & Spa Replacement Filter Cartridges For Waterway Plastics, C-4310, PWW-10, FC-3077

XLS-435 2Pack

In stock

Replacement Filter for Waterway Plastics 2-Pack

Filter Area 10 ft²
Dimensions 4 1/4" × 4"
$34.99
1-Pack XLS-601 1PACK Replacement Filter Cartridge for Waterway 50 Spa 817-0050.  Also Replaces PWW50P3, 6CH-940 and FC-0359.

XLS-601 1Pack

Out of stock

Replacement Filter for Waterway 817-0050, 50 Spa 817-0050, PWW50P3 1-Pack

Filter Area 50 ft²
Dimensions 6" × 8 1/4"
$39.99
1-Pack XLS-512 15PACK Replacement Spa Filter Cartridge for Waterway 817-0015, R173600, Maax Spas 107092.   Also replaces PLBS75, C-5374 and FC-2971.

XLS-512 15PACK

Low stock

Replacement Filter for Waterway 817-0015 15-Pack

Filter Area 65 ft²
Dimensions 5 5/16" × 14 13/16"
$399.99
1-Pack XLS-418 15PACK Replacement Spa Filter Cartridge for Waterway Rainbow Dynamic

XLS-418 15PACK

Out of stock

Replacement Filter for Waterway Rainbow Dynamic 15-Pack

Filter Area 35 ft²
Dimensions 4 15/16" × 9 1/4"
$284.99
1-Pack XLS-418 Replacement Spa Filter Cartridge for Waterway Rainbow Dynamic

XLS-418 1Pack

Out of stock

Replacement Filter for Waterway Rainbow Dynamic 1-Pack

Filter Area 35 ft²
Dimensions 4 15/16" × 9 1/4"
$29.99