The Bosch Ultra Clarity Pro Refrigerator Water Filter BORPLFTR55 11032531 NIB is a white carbon/charcoal water filter designed for household use. This filter is compatible with Thermador models 11032531 and RA450022, providing clean and refreshing water by removing chlorine taste and odor. Made of high-quality plastic, this unit is easy to install and is an essential component for maintaining clean water in your kitchen. FITS BOSCH 11032531 BORPLFTR55 GAGGENAU 11032531 RA450022 THERMADOR 11032531 REPLFTR55