Pleatco Advanced Spa: PWK30

Upgrade your spa’s performance with the Pleatco PWK30 Hot Tub Filter Cartridge, a premium replacement filter engineered for reliability, efficiency, and long-lasting use. Designed to fit select Hot Spring® Spas by Watkins, this filter is a direct replacement for OEM 31489 and WA30TC / Tri-X style filters.

Built with Pleatco’s advanced filtration fabric and a durable free-flow core, the PWK30 maximizes water flow while capturing dirt, debris, and fine particles more effectively. It’s made to withstand regular use and properly balanced spa chemicals, helping keep your water clean, clear, and inviting.
For best results, always compare the dimensions below with your existing filter to ensure a proper fit.

Product Details

• Pleatco Part Number: PWK30

• Diameter: 5 7/8"

• Length: 10 1/2"

• Top Hole: 1 15/16"

• Bottom Hole: 1 15/16"

• Filtration Area: 30 sq. ft.

• Brand: Pleatco Premium

Compatible Replacement For

• Watkins WA30TC-3

• Hot Spring OEM 31489

• Hot Spring 0969601 Tri-X Filter

• Darlly 60301

• Excel Filters XLS-602

• Filbur FC-3915 / FC-3915M

• Magnum HS30

• Pleatco PWK30 / PWK30-M

• Pure N Clean PC-3915

• SD-00328, 00704

• Unicel C-6330 / C-6430 / C-6430RA

Why Choose Pleatco?

Hot tubs require specialized filtration, and Pleatco delivers. These spa-certified filters feature:

• Advanced point-bonded filtration fabric for superior debris capture

• Free-flow cores for improved circulation and efficiency

• Energy-efficient and eco-friendly design

• Cleaner water with less strain on your spa system

Choose the Pleatco PWK30 for dependable performance and a cleaner, more enjoyable hot tub experience.