Engineered filtration that provides OEM reliability—at an excellent value.

Proudly Made in America with ISO certified manufacturing, SONA’s direct replacement for the Melroe-Bobcat 6519239 spin-on filter offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.

Engineered filtration that provides OEM reliability—at an excellent value.

Proudly Made in America with ISO certified manufacturing, SONA’s direct replacement for the Melroe-Bobcat 900003 spin-on filter offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.