Bosch · B21CL80SNS
Water filter for the Bosch B21CL80SNS
The B21CL80SNS takes the REPLFLTR10 water filter. Here’s the exact match, its cross-reference codes, and the cheapest certified compatible options.
Compatible filters for the B21CL80SNS
FAQ
Which water filter does the B21CL80SNS use?
The Bosch B21CL80SNS uses the REPLFLTR10 filter, also sold as 644845, 9000-194412, UltraClarity. Certified compatible versions fit identically and cost less.
How often should I change the filter in my B21CL80SNS?
Every 6 months or ~200 gallons. Most owners set a reminder twice a year.