Spa · Spa Filters

Alpine SPAS 18

$54.00

Keep your spa water clean with the Alpine Spas 18 cartridge filter. This replacement cartridge helps remove dirt, oils, and fine debris from your spa water. It supports good water flow and helps your filtration system work efficiently.

The filter measures 143 mm wide and 160 mm high. It features a 46 mm SAE thread for a suitable fit in compatible systems. Regular cartridge changes help improve water clarity and maintain reliable spa performance.

Why shop with us

Free NZ shipping

On orders over $150, most ship same day from Rosedale.

Service team on call

Phone or email our pool technicians for advice on any order.

Equipment warranty

Pumps, heaters and robotic cleaners are covered by manufacturer warranty, with our team on hand if anything needs sorting.

A Trusted Partnership

“The quality in manufacture of the pool, and the equipment offered as standard or available as an option, and the prices, are second to none.”

Murray Wright· Online store customer

Need advice before you buy?

Visit our Rosedale showroom for a free water test, or talk to our pool care team for tailored recommendations.