Spa Filter Cartridges – Compatible with Bullfrog® 10-00281, Pleatco PBF17 PBF17-M, Wellspring 18 Coreless – Hot Tub Filters for Swim and Inflatable Spas, Jacuzzi, SaluSpa - 2-Pack

Specifications

• STIL SERIES COMPATIBILITY – Compatible only with Bullfrog Spas: STIL Series (2018+), and STIL Series (2015–2017, core cage adapter required). Ensures a secure filter fit to prevent leaks, poor flow, and costly hot tub filtration issues—no sizing guesswork or retrofits needed.
• WATER CLARITY & CLEANLINESS – Captures dirt, debris, and body oils to help maintain a clear and refreshing spa experience. Ideal for inflatable hot tub filters, spa filters for hot tub use, and backyard spa setups with high usage frequency.
• QUICK INSTALLATION & MAINTENANCE – Designed for hassle-free setup, this spa filter for hot tub systems installs in minutes. Compatible with various hot tub filter cartridges to simplify upkeep and keep water fresh and inviting.
• CORELESS DESIGN & MODEL FIT – Built for modern Bullfrog Spas with a coreless filter body that helps maximize water flow and reduce maintenance. A core cage adapter is required (sold separately by Bullfrog Spas 10-00417) to ensure a secure fit.
• DURABLE BUILD & REUSABLE DESIGN – Built for long-term performance, each hot tub filter cartridge resists collapse and holds up to repeated cleanings. Ideal for year-round spa owners looking to reduce waste and extend the life of their filter system.