You must replace your Air Filter when the 
Air Filter Button is illuminated.
Standard Grinding Ring Use (Radius Rings™ and FIRE Rings™): The Air Filter should be replaced every 4 Grinding Rings.
Sparx X-Grind Ring Use: The Air Filter should be replaced every 2 Grinding Rings. Refer to the Maintenance Section of the Sparx Operating Manual for more information.
To view the Sparx Operating Manual, visit sparxhockey.com/manual.
Explore the Sparx Grinding Ring.
SUPERABRASIVE COATING
Provides accuracy and precision, with no maintenance required.MICRO-CHIP
Monitors grinding ring life, alerting you when replacement is needed.12 HOLLOW OPTIONS
Traditional Radius Ring™ and flat bottom Fire Ring™ grinding ring profiles available.
What's in the box?
Installing Your Grinding Ring
Installing and changing out your Grinding Rings is a simple 30 second task, checkout the link below to see how it's done Watch Setup Demo