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Keep your spa water clean and your system running smoothly with the Waterway WY45 replacement filter. Designed for performance and durability, this high-quality cartridge is ideal for a range of spa models and helps maintain crystal-clear water with minimal fuss.

  • Width: 152mm

  • Height: 205mm

  • Top: Bar handle

  • Bottom: 46mm coarse thread

  • Model: WY45 (Waterway 45)

Easy to install and clean, this filter traps fine particles and debris, reducing strain on your spa’s pump and improving overall water circulation. For best results, rinse weekly and soak monthly to extend the filter’s lifespan.

Compatible with a range of spa systems — check your existing filter measurements to confirm fit.

Spa filter cartridge with blue lid and 'spa euro' branding on a white background

Keep your spa water clean and your system running smoothly with the Waterway WY45 replacement filter. Designed for performance and durability, this high-quality cartridge is ideal for a range of spa models and helps maintain crystal-clear water with minimal fuss.

  • Width: 152mm

  • Height: 205mm

  • Top: Bar handle

  • Bottom: 46mm coarse thread

  • Model: WY45 (Waterway 45)

Easy to install and clean, this filter traps fine particles and debris, reducing strain on your spa’s pump and improving overall water circulation. For best results, rinse weekly and soak monthly to extend the filter’s lifespan.

Compatible with a range of spa systems — check your existing filter measurements to confirm fit.

Spa Euro

Waterway WY45 Spa Filter Cartridge

$89.00
Sale price: $89.00 Regular price:
Shipping calculated at checkout.

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Onsite Testing

Price: $36-$41 (plus any additional chemicals) for the Tauranga area. An additional mileage charge may apply for locations outside Tauranga.

Shop Water Testing (Free of Charge) You can also bring a water sample to our shop for testing free of charge providing you are getting your chemicals from us.

Our onsite testing service includes:

  • Testing and balancing your pool water.
  • Clearing skimmer and pump baskets.
  • Backwashing the filter.
  • Checking over the entire pool system.

We’ll leave a detailed pool service report on-site, showing the water test results and any recommendations we have for keeping your pool in top condition. You can choose to use your own chemicals, or we can provide high-quality products to get the job done.

Shop Water Testing Guidelines

If you prefer to bring a water sample to our shop for testing, please make sure to:

  • Use a clean container (not metal) to collect the sample.
  • Take the sample from at least 400mm below the water surface to ensure an accurate representation of your pool's water quality.