For decades, Fine/Line 30 has been leading the industry with high quality baseboard heating. Exceptional product quality has made Slant/Fin's Fine/Line 30 baseboard the number one choice of heating professionals. It is manufactured with contractor-friendly features for quick, trouble free installation, without annoying callbacks. 30 Series offers the widest range of matching precision accessories that are available. For over 40 years, Slant/Fin heating elements have set the industry standard for heating performance and silent performance.